12642985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 17418240

約数和(自身を除く): 4775255

約数列:

[1, 5, 17, 23, 29, 85, 115, 145, 223, 391, 493, 667, 1115, 1955, 2465, 3335, 3791, 5129, 6467, 11339, 18955, 25645, 32335, 56695, 87193, 109939, 148741, 435965, 549695, 743705, 2528597, 12642985]

約数ペア:

[(1, 12642985), (5, 2528597), (17, 743705), (23, 549695), (29, 435965), (85, 148741), (115, 109939), (145, 87193), (223, 56695), (391, 32335), (493, 25645), (667, 18955), (1115, 11339), (1955, 6467), (2465, 5129), (3335, 3791)]