90691708

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{1621}}^1$

素因数の和:1893

約数の個数: 24

約数和(自身を含む): 161862624

約数和(自身を除く): 71170916

約数列:

[1, 2, 4, 71, 142, 197, 284, 394, 788, 1621, 3242, 6484, 13987, 27974, 55948, 115091, 230182, 319337, 460364, 638674, 1277348, 22672927, 45345854, 90691708]

約数ペア:

[(1, 90691708), (2, 45345854), (4, 22672927), (71, 1277348), (142, 638674), (197, 460364), (284, 319337), (394, 230182), (788, 115091), (1621, 55948), (3242, 27974), (6484, 13987)]