917170990

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{10091}}^1$

素因数の和:10308

約数の個数: 32

約数和(自身を含む): 1689400800

約数和(自身を除く): 772229810

約数列:

[1, 2, 5, 10, 61, 122, 149, 298, 305, 610, 745, 1490, 9089, 10091, 18178, 20182, 45445, 50455, 90890, 100910, 615551, 1231102, 1503559, 3007118, 3077755, 6155510, 7517795, 15035590, 91717099, 183434198, 458585495, 917170990]

約数ペア:

[(1, 917170990), (2, 458585495), (5, 183434198), (10, 91717099), (61, 15035590), (122, 7517795), (149, 6155510), (298, 3077755), (305, 3007118), (610, 1503559), (745, 1231102), (1490, 615551), (9089, 100910), (10091, 90890), (18178, 50455), (20182, 45445)]