56121905

素因数分解:

$5^1\times 7^2\times {\mathrm{397}}^1\times {\mathrm{577}}^1$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 78675048

約数和(自身を除く): 22553143

約数列:

[1, 5, 7, 35, 49, 245, 397, 577, 1985, 2779, 2885, 4039, 13895, 19453, 20195, 28273, 97265, 141365, 229069, 1145345, 1603483, 8017415, 11224381, 56121905]

約数ペア:

[(1, 56121905), (5, 11224381), (7, 8017415), (35, 1603483), (49, 1145345), (245, 229069), (397, 141365), (577, 97265), (1985, 28273), (2779, 20195), (2885, 19453), (4039, 13895)]