9721390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1229}}^1$

素因数の和:1356

約数の個数: 32

約数和(自身を含む): 20191680

約数和(自身を除く): 10470290

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 113, 226, 565, 791, 1130, 1229, 1582, 2458, 3955, 6145, 7910, 8603, 12290, 17206, 43015, 86030, 138877, 277754, 694385, 972139, 1388770, 1944278, 4860695, 9721390]

約数ペア:

[(1, 9721390), (2, 4860695), (5, 1944278), (7, 1388770), (10, 972139), (14, 694385), (35, 277754), (70, 138877), (113, 86030), (226, 43015), (565, 17206), (791, 12290), (1130, 8603), (1229, 7910), (1582, 6145), (2458, 3955)]