671632

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{3229}}^1$

素因数の和:3250

約数の個数: 20

約数和(自身を含む): 1401820

約数和(自身を除く): 730188

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 3229, 6458, 12916, 25832, 41977, 51664, 83954, 167908, 335816, 671632]

約数ペア:

[(1, 671632), (2, 335816), (4, 167908), (8, 83954), (13, 51664), (16, 41977), (26, 25832), (52, 12916), (104, 6458), (208, 3229)]