31122456

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 82684800

約数和(自身を除く): 51562344

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 131, 152, 228, 262, 393, 456, 521, 524, 786, 1042, 1048, 1563, 1572, 2084, 2489, 3126, 3144, 4168, 4978, 6252, 7467, 9899, 9956, 12504, 14934, 19798, 19912, 29697, 29868, 39596, 59394, 59736, 68251, 79192, 118788, 136502, 204753, 237576, 273004, 409506, 546008, 819012, 1296769, 1638024, 2593538, 3890307, 5187076, 7780614, 10374152, 15561228, 31122456]

約数ペア:

[(1, 31122456), (2, 15561228), (3, 10374152), (4, 7780614), (6, 5187076), (8, 3890307), (12, 2593538), (19, 1638024), (24, 1296769), (38, 819012), (57, 546008), (76, 409506), (114, 273004), (131, 237576), (152, 204753), (228, 136502), (262, 118788), (393, 79192), (456, 68251), (521, 59736), (524, 59394), (786, 39596), (1042, 29868), (1048, 29697), (1563, 19912), (1572, 19798), (2084, 14934), (2489, 12504), (3126, 9956), (3144, 9899), (4168, 7467), (4978, 6252)]