42791945

素因数分解:

$5^1\times 7^2\times {\mathrm{389}}^1\times {\mathrm{449}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 60021000

約数和(自身を除く): 17229055

約数列:

[1, 5, 7, 35, 49, 245, 389, 449, 1945, 2245, 2723, 3143, 13615, 15715, 19061, 22001, 95305, 110005, 174661, 873305, 1222627, 6113135, 8558389, 42791945]

約数ペア:

[(1, 42791945), (5, 8558389), (7, 6113135), (35, 1222627), (49, 873305), (245, 174661), (389, 110005), (449, 95305), (1945, 22001), (2245, 19061), (2723, 15715), (3143, 13615)]