8708381275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{7349}}^1$

素因数の和:7540

約数の個数: 48

約数和(自身を含む): 12249216000

約数和(自身を除く): 3540834725

約数列:

[1, 5, 11, 25, 31, 55, 139, 155, 275, 341, 695, 775, 1529, 1705, 3475, 4309, 7349, 7645, 8525, 21545, 36745, 38225, 47399, 80839, 107725, 183725, 227819, 236995, 404195, 1021511, 1139095, 1184975, 2020975, 2506009, 5107555, 5695475, 11236621, 12530045, 25537775, 31666841, 56183105, 62650225, 158334205, 280915525, 348335251, 791671025, 1741676255, 8708381275]

約数ペア:

[(1, 8708381275), (5, 1741676255), (11, 791671025), (25, 348335251), (31, 280915525), (55, 158334205), (139, 62650225), (155, 56183105), (275, 31666841), (341, 25537775), (695, 12530045), (775, 11236621), (1529, 5695475), (1705, 5107555), (3475, 2506009), (4309, 2020975), (7349, 1184975), (7645, 1139095), (8525, 1021511), (21545, 404195), (36745, 236995), (38225, 227819), (47399, 183725), (80839, 107725)]