128535455

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{6053}}^1$

素因数の和:6226

約数の個数: 16

約数和(自身を含む): 160406784

約数和(自身を除く): 31871329

約数列:

[1, 5, 31, 137, 155, 685, 4247, 6053, 21235, 30265, 187643, 829261, 938215, 4146305, 25707091, 128535455]

約数ペア:

[(1, 128535455), (5, 25707091), (31, 4146305), (137, 938215), (155, 829261), (685, 187643), (4247, 30265), (6053, 21235)]