85457168

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{557}}^1$

素因数の和:831

約数の個数: 40

約数和(自身を含む): 170489088

約数和(自身を除く): 85031920

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 223, 344, 446, 557, 688, 892, 1114, 1784, 2228, 3568, 4456, 8912, 9589, 19178, 23951, 38356, 47902, 76712, 95804, 124211, 153424, 191608, 248422, 383216, 496844, 993688, 1987376, 5341073, 10682146, 21364292, 42728584, 85457168]

約数ペア:

[(1, 85457168), (2, 42728584), (4, 21364292), (8, 10682146), (16, 5341073), (43, 1987376), (86, 993688), (172, 496844), (223, 383216), (344, 248422), (446, 191608), (557, 153424), (688, 124211), (892, 95804), (1114, 76712), (1784, 47902), (2228, 38356), (3568, 23951), (4456, 19178), (8912, 9589)]