257515440022

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{1471}}^1\times {\mathrm{866641}}^1$

素因数の和:868215

約数の個数: 16

約数和(自身を含む): 390363289344

約数和(自身を除く): 132847849322

約数列:

[1, 2, 101, 202, 1471, 2942, 148571, 297142, 866641, 1733282, 87530741, 175061482, 1274828911, 2549657822, 128757720011, 257515440022]

約数ペア:

[(1, 257515440022), (2, 128757720011), (101, 2549657822), (202, 1274828911), (1471, 175061482), (2942, 87530741), (148571, 1733282), (297142, 866641)]