72705656

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{383}}^1\times {\mathrm{389}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 139276800

約数和(自身を除く): 66571144

約数列:

[1, 2, 4, 8, 61, 122, 244, 383, 389, 488, 766, 778, 1532, 1556, 3064, 3112, 23363, 23729, 46726, 47458, 93452, 94916, 148987, 186904, 189832, 297974, 595948, 1191896, 9088207, 18176414, 36352828, 72705656]

約数ペア:

[(1, 72705656), (2, 36352828), (4, 18176414), (8, 9088207), (61, 1191896), (122, 595948), (244, 297974), (383, 189832), (389, 186904), (488, 148987), (766, 94916), (778, 93452), (1532, 47458), (1556, 46726), (3064, 23729), (3112, 23363)]