31519936

素因数分解:

$2^6\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:91

約数の個数: 126

約数和(自身を含む): 80063340

約数和(自身を除く): 48543404

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 23, 28, 32, 38, 46, 49, 56, 64, 76, 92, 98, 112, 133, 152, 161, 184, 196, 224, 266, 304, 322, 368, 392, 437, 448, 529, 532, 608, 644, 736, 784, 874, 931, 1058, 1064, 1127, 1216, 1288, 1472, 1568, 1748, 1862, 2116, 2128, 2254, 2576, 3059, 3136, 3496, 3703, 3724, 4232, 4256, 4508, 5152, 6118, 6992, 7406, 7448, 8464, 8512, 9016, 10051, 10304, 12236, 13984, 14812, 14896, 16928, 18032, 20102, 21413, 24472, 25921, 27968, 29624, 29792, 33856, 36064, 40204, 42826, 48944, 51842, 59248, 59584, 70357, 72128, 80408, 85652, 97888, 103684, 118496, 140714, 160816, 171304, 195776, 207368, 236992, 281428, 321632, 342608, 414736, 492499, 562856, 643264, 685216, 829472, 984998, 1125712, 1370432, 1658944, 1969996, 2251424, 3939992, 4502848, 7879984, 15759968, 31519936]

約数ペア:

[(1, 31519936), (2, 15759968), (4, 7879984), (7, 4502848), (8, 3939992), (14, 2251424), (16, 1969996), (19, 1658944), (23, 1370432), (28, 1125712), (32, 984998), (38, 829472), (46, 685216), (49, 643264), (56, 562856), (64, 492499), (76, 414736), (92, 342608), (98, 321632), (112, 281428), (133, 236992), (152, 207368), (161, 195776), (184, 171304), (196, 160816), (224, 140714), (266, 118496), (304, 103684), (322, 97888), (368, 85652), (392, 80408), (437, 72128), (448, 70357), (529, 59584), (532, 59248), (608, 51842), (644, 48944), (736, 42826), (784, 40204), (874, 36064), (931, 33856), (1058, 29792), (1064, 29624), (1127, 27968), (1216, 25921), (1288, 24472), (1472, 21413), (1568, 20102), (1748, 18032), (1862, 16928), (2116, 14896), (2128, 14812), (2254, 13984), (2576, 12236), (3059, 10304), (3136, 10051), (3496, 9016), (3703, 8512), (3724, 8464), (4232, 7448), (4256, 7406), (4508, 6992), (5152, 6118)]