1391648

素因数分解:

$2^5\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:444

約数の個数: 24

約数和(自身を含む): 2767212

約数和(自身を除く): 1375564

約数列:

[1, 2, 4, 8, 16, 32, 157, 277, 314, 554, 628, 1108, 1256, 2216, 2512, 4432, 5024, 8864, 43489, 86978, 173956, 347912, 695824, 1391648]

約数ペア:

[(1, 1391648), (2, 695824), (4, 347912), (8, 173956), (16, 86978), (32, 43489), (157, 8864), (277, 5024), (314, 4432), (554, 2512), (628, 2216), (1108, 1256)]