128975404

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{2767}}^1$

素因数の和:3085

約数の個数: 24

約数和(自身を含む): 231891968

約数和(自身を除く): 102916564

約数列:

[1, 2, 4, 43, 86, 172, 271, 542, 1084, 2767, 5534, 11068, 11653, 23306, 46612, 118981, 237962, 475924, 749857, 1499714, 2999428, 32243851, 64487702, 128975404]

約数ペア:

[(1, 128975404), (2, 64487702), (4, 32243851), (43, 2999428), (86, 1499714), (172, 749857), (271, 475924), (542, 237962), (1084, 118981), (2767, 46612), (5534, 23306), (11068, 11653)]