202021012

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{639307}}^1$

素因数の和:639390

約数の個数: 12

約数和(自身を含む): 358012480

約数和(自身を除く): 155991468

約数列:

[1, 2, 4, 79, 158, 316, 639307, 1278614, 2557228, 50505253, 101010506, 202021012]

約数ペア:

[(1, 202021012), (2, 101010506), (4, 50505253), (79, 2557228), (158, 1278614), (316, 639307)]