201520214

素因数分解:

$2^1\times 7^1\times {\mathrm{2221}}^1\times {\mathrm{6481}}^1$

素因数の和:8711

約数の個数: 16

約数和(自身を含む): 345672096

約数和(自身を除く): 144151882

約数列:

[1, 2, 7, 14, 2221, 4442, 6481, 12962, 15547, 31094, 45367, 90734, 14394301, 28788602, 100760107, 201520214]

約数ペア:

[(1, 201520214), (2, 100760107), (7, 28788602), (14, 14394301), (2221, 90734), (4442, 45367), (6481, 31094), (12962, 15547)]