180957712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{869989}}^1$

素因数の和:870010

約数の個数: 20

約数和(自身を含む): 377575660

約数和(自身を除く): 196617948

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 869989, 1739978, 3479956, 6959912, 11309857, 13919824, 22619714, 45239428, 90478856, 180957712]

約数ペア:

[(1, 180957712), (2, 90478856), (4, 45239428), (8, 22619714), (13, 13919824), (16, 11309857), (26, 6959912), (52, 3479956), (104, 1739978), (208, 869989)]