127479968

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:443

約数の個数: 144

約数和(自身を含む): 336117600

約数和(自身を除く): 208637632

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 32, 38, 44, 49, 56, 76, 77, 88, 98, 112, 133, 152, 154, 176, 196, 209, 224, 266, 304, 308, 352, 389, 392, 418, 532, 539, 608, 616, 778, 784, 836, 931, 1064, 1078, 1232, 1463, 1556, 1568, 1672, 1862, 2128, 2156, 2464, 2723, 2926, 3112, 3344, 3724, 4256, 4279, 4312, 5446, 5852, 6224, 6688, 7391, 7448, 8558, 8624, 10241, 10892, 11704, 12448, 14782, 14896, 17116, 17248, 19061, 20482, 21784, 23408, 29564, 29792, 29953, 34232, 38122, 40964, 43568, 46816, 51737, 59128, 59906, 68464, 76244, 81301, 81928, 87136, 103474, 118256, 119812, 136928, 152488, 162602, 163856, 206948, 209671, 236512, 239624, 304976, 325204, 327712, 362159, 413896, 419342, 479248, 569107, 609952, 650408, 724318, 827792, 838684, 958496, 1138214, 1300816, 1448636, 1655584, 1677368, 2276428, 2601632, 2897272, 3354736, 3983749, 4552856, 5794544, 6709472, 7967498, 9105712, 11589088, 15934996, 18211424, 31869992, 63739984, 127479968]

約数ペア:

[(1, 127479968), (2, 63739984), (4, 31869992), (7, 18211424), (8, 15934996), (11, 11589088), (14, 9105712), (16, 7967498), (19, 6709472), (22, 5794544), (28, 4552856), (32, 3983749), (38, 3354736), (44, 2897272), (49, 2601632), (56, 2276428), (76, 1677368), (77, 1655584), (88, 1448636), (98, 1300816), (112, 1138214), (133, 958496), (152, 838684), (154, 827792), (176, 724318), (196, 650408), (209, 609952), (224, 569107), (266, 479248), (304, 419342), (308, 413896), (352, 362159), (389, 327712), (392, 325204), (418, 304976), (532, 239624), (539, 236512), (608, 209671), (616, 206948), (778, 163856), (784, 162602), (836, 152488), (931, 136928), (1064, 119812), (1078, 118256), (1232, 103474), (1463, 87136), (1556, 81928), (1568, 81301), (1672, 76244), (1862, 68464), (2128, 59906), (2156, 59128), (2464, 51737), (2723, 46816), (2926, 43568), (3112, 40964), (3344, 38122), (3724, 34232), (4256, 29953), (4279, 29792), (4312, 29564), (5446, 23408), (5852, 21784), (6224, 20482), (6688, 19061), (7391, 17248), (7448, 17116), (8558, 14896), (8624, 14782), (10241, 12448), (10892, 11704)]