201531016

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{421}}^1\times {\mathrm{1129}}^1$

素因数の和:1609

約数の個数: 32

約数和(自身を含む): 386256600

約数和(自身を除く): 184725584

約数列:

[1, 2, 4, 8, 53, 106, 212, 421, 424, 842, 1129, 1684, 2258, 3368, 4516, 9032, 22313, 44626, 59837, 89252, 119674, 178504, 239348, 475309, 478696, 950618, 1901236, 3802472, 25191377, 50382754, 100765508, 201531016]

約数ペア:

[(1, 201531016), (2, 100765508), (4, 50382754), (8, 25191377), (53, 3802472), (106, 1901236), (212, 950618), (421, 478696), (424, 475309), (842, 239348), (1129, 178504), (1684, 119674), (2258, 89252), (3368, 59837), (4516, 44626), (9032, 22313)]