90905426

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{349}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 148780800

約数和(自身を除く): 57875374

約数列:

[1, 2, 17, 34, 47, 94, 163, 326, 349, 698, 799, 1598, 2771, 5542, 5933, 7661, 11866, 15322, 16403, 32806, 56887, 113774, 130237, 260474, 278851, 557702, 967079, 1934158, 2673689, 5347378, 45452713, 90905426]

約数ペア:

[(1, 90905426), (2, 45452713), (17, 5347378), (34, 2673689), (47, 1934158), (94, 967079), (163, 557702), (326, 278851), (349, 260474), (698, 130237), (799, 113774), (1598, 56887), (2771, 32806), (5542, 16403), (5933, 15322), (7661, 11866)]