90890072

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6571}}^1$

素因数の和:6616

約数の個数: 64

約数和(自身を含む): 220819200

約数和(自身を除く): 129929128

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 133, 152, 182, 247, 266, 364, 494, 532, 728, 988, 1064, 1729, 1976, 3458, 6571, 6916, 13142, 13832, 26284, 45997, 52568, 85423, 91994, 124849, 170846, 183988, 249698, 341692, 367976, 499396, 597961, 683384, 873943, 998792, 1195922, 1623037, 1747886, 2391844, 3246074, 3495772, 4783688, 6492148, 6991544, 11361259, 12984296, 22722518, 45445036, 90890072]

約数ペア:

[(1, 90890072), (2, 45445036), (4, 22722518), (7, 12984296), (8, 11361259), (13, 6991544), (14, 6492148), (19, 4783688), (26, 3495772), (28, 3246074), (38, 2391844), (52, 1747886), (56, 1623037), (76, 1195922), (91, 998792), (104, 873943), (133, 683384), (152, 597961), (182, 499396), (247, 367976), (266, 341692), (364, 249698), (494, 183988), (532, 170846), (728, 124849), (988, 91994), (1064, 85423), (1729, 52568), (1976, 45997), (3458, 26284), (6571, 13832), (6916, 13142)]