129978872

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{955727}}^1$

素因数の和:955750

約数の個数: 16

約数和(自身を含む): 258046560

約数和(自身を除く): 128067688

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 955727, 1911454, 3822908, 7645816, 16247359, 32494718, 64989436, 129978872]

約数ペア:

[(1, 129978872), (2, 64989436), (4, 32494718), (8, 16247359), (17, 7645816), (34, 3822908), (68, 1911454), (136, 955727)]