128291023

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{1669}}^1$

素因数の和:1894

約数の個数: 16

約数和(自身を含む): 149632000

約数和(自身を除く): 21340977

約数列:

[1, 7, 79, 139, 553, 973, 1669, 10981, 11683, 76867, 131851, 231991, 922957, 1623937, 18327289, 128291023]

約数ペア:

[(1, 128291023), (7, 18327289), (79, 1623937), (139, 922957), (553, 231991), (973, 131851), (1669, 76867), (10981, 11683)]