12257357

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:197

約数の個数: 24

約数和(自身を含む): 15266496

約数和(自身を除く): 3009139

約数列:

[1, 7, 17, 73, 83, 119, 289, 511, 581, 1241, 1411, 2023, 6059, 8687, 9877, 21097, 23987, 42413, 103003, 147679, 167909, 721021, 1751051, 12257357]

約数ペア:

[(1, 12257357), (7, 1751051), (17, 721021), (73, 167909), (83, 147679), (119, 103003), (289, 42413), (511, 23987), (581, 21097), (1241, 9877), (1411, 8687), (2023, 6059)]