861554848

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:304

約数の個数: 216

約数和(自身を含む): 2292494400

約数和(自身を除く): 1430939552

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 32, 38, 44, 49, 56, 76, 77, 88, 98, 112, 121, 133, 152, 154, 176, 196, 209, 224, 239, 242, 266, 304, 308, 352, 392, 418, 478, 484, 532, 539, 608, 616, 784, 836, 847, 931, 956, 968, 1064, 1078, 1232, 1463, 1568, 1672, 1673, 1694, 1862, 1912, 1936, 2128, 2156, 2299, 2464, 2629, 2926, 3344, 3346, 3388, 3724, 3824, 3872, 4256, 4312, 4541, 4598, 5258, 5852, 5929, 6688, 6692, 6776, 7448, 7648, 8624, 9082, 9196, 10241, 10516, 11704, 11711, 11858, 13384, 13552, 14896, 16093, 17248, 18164, 18392, 18403, 20482, 21032, 23408, 23422, 23716, 26768, 27104, 28919, 29792, 31787, 32186, 36328, 36784, 36806, 40964, 42064, 46816, 46844, 47432, 49951, 53536, 57838, 63574, 64372, 72656, 73568, 73612, 81928, 84128, 93688, 94864, 99902, 112651, 115676, 127148, 128744, 128821, 145312, 147224, 163856, 187376, 189728, 199804, 202433, 222509, 225302, 231352, 254296, 257488, 257642, 294448, 327712, 349657, 374752, 399608, 404866, 445018, 450604, 462704, 508592, 514976, 515284, 549461, 588896, 699314, 799216, 809732, 890036, 901208, 925408, 1017184, 1030568, 1098922, 1398628, 1417031, 1598432, 1619464, 1780072, 1802416, 2061136, 2197844, 2447599, 2797256, 2834062, 3238928, 3560144, 3604832, 3846227, 4122272, 4395688, 4895198, 5594512, 5668124, 6477856, 7120288, 7692454, 8791376, 9790396, 11189024, 11336248, 15384908, 17582752, 19580792, 22672496, 26923589, 30769816, 39161584, 45344992, 53847178, 61539632, 78323168, 107694356, 123079264, 215388712, 430777424, 861554848]

約数ペア:

[(1, 861554848), (2, 430777424), (4, 215388712), (7, 123079264), (8, 107694356), (11, 78323168), (14, 61539632), (16, 53847178), (19, 45344992), (22, 39161584), (28, 30769816), (32, 26923589), (38, 22672496), (44, 19580792), (49, 17582752), (56, 15384908), (76, 11336248), (77, 11189024), (88, 9790396), (98, 8791376), (112, 7692454), (121, 7120288), (133, 6477856), (152, 5668124), (154, 5594512), (176, 4895198), (196, 4395688), (209, 4122272), (224, 3846227), (239, 3604832), (242, 3560144), (266, 3238928), (304, 2834062), (308, 2797256), (352, 2447599), (392, 2197844), (418, 2061136), (478, 1802416), (484, 1780072), (532, 1619464), (539, 1598432), (608, 1417031), (616, 1398628), (784, 1098922), (836, 1030568), (847, 1017184), (931, 925408), (956, 901208), (968, 890036), (1064, 809732), (1078, 799216), (1232, 699314), (1463, 588896), (1568, 549461), (1672, 515284), (1673, 514976), (1694, 508592), (1862, 462704), (1912, 450604), (1936, 445018), (2128, 404866), (2156, 399608), (2299, 374752), (2464, 349657), (2629, 327712), (2926, 294448), (3344, 257642), (3346, 257488), (3388, 254296), (3724, 231352), (3824, 225302), (3872, 222509), (4256, 202433), (4312, 199804), (4541, 189728), (4598, 187376), (5258, 163856), (5852, 147224), (5929, 145312), (6688, 128821), (6692, 128744), (6776, 127148), (7448, 115676), (7648, 112651), (8624, 99902), (9082, 94864), (9196, 93688), (10241, 84128), (10516, 81928), (11704, 73612), (11711, 73568), (11858, 72656), (13384, 64372), (13552, 63574), (14896, 57838), (16093, 53536), (17248, 49951), (18164, 47432), (18392, 46844), (18403, 46816), (20482, 42064), (21032, 40964), (23408, 36806), (23422, 36784), (23716, 36328), (26768, 32186), (27104, 31787), (28919, 29792)]