201221524

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{80747}}^1$

素因数の和:80847

約数の個数: 24

約数和(自身を含む): 406969920

約数和(自身を除く): 205748396

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 80747, 161494, 322988, 565229, 1130458, 2260916, 7186483, 14372966, 28745932, 50305381, 100610762, 201221524]

約数ペア:

[(1, 201221524), (2, 100610762), (4, 50305381), (7, 28745932), (14, 14372966), (28, 7186483), (89, 2260916), (178, 1130458), (356, 565229), (623, 322988), (1246, 161494), (2492, 80747)]