12490972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2699}}^1$

素因数の和:2805

約数の個数: 24

約数和(自身を含む): 23814000

約数和(自身を除く): 11323028

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 2699, 4628, 5398, 10796, 35087, 70174, 140348, 240211, 480422, 960844, 3122743, 6245486, 12490972]

約数ペア:

[(1, 12490972), (2, 6245486), (4, 3122743), (13, 960844), (26, 480422), (52, 240211), (89, 140348), (178, 70174), (356, 35087), (1157, 10796), (2314, 5398), (2699, 4628)]