123747728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{25867}}^1$

素因数の和:25911

約数の個数: 40

約数和(自身を含む): 269441088

約数和(自身を除く): 145693360

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4784, 25867, 51734, 103468, 206936, 336271, 413872, 594941, 672542, 1189882, 1345084, 2379764, 2690168, 4759528, 5380336, 7734233, 9519056, 15468466, 30936932, 61873864, 123747728]

約数ペア:

[(1, 123747728), (2, 61873864), (4, 30936932), (8, 15468466), (13, 9519056), (16, 7734233), (23, 5380336), (26, 4759528), (46, 2690168), (52, 2379764), (92, 1345084), (104, 1189882), (184, 672542), (208, 594941), (299, 413872), (368, 336271), (598, 206936), (1196, 103468), (2392, 51734), (4784, 25867)]