15859912

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{421}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 31675320

約数和(自身を除く): 15815408

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 277, 421, 554, 842, 1108, 1684, 2216, 3368, 4709, 7157, 9418, 14314, 18836, 28628, 37672, 57256, 116617, 233234, 466468, 932936, 1982489, 3964978, 7929956, 15859912]

約数ペア:

[(1, 15859912), (2, 7929956), (4, 3964978), (8, 1982489), (17, 932936), (34, 466468), (68, 233234), (136, 116617), (277, 57256), (421, 37672), (554, 28628), (842, 18836), (1108, 14314), (1684, 9418), (2216, 7157), (3368, 4709)]