12942865

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{53}}^1$

素因数の和:118

約数の個数: 36

約数和(自身を含む): 18202644

約数和(自身を除く): 5259779

約数列:

[1, 5, 13, 17, 53, 65, 85, 169, 221, 265, 289, 689, 845, 901, 1105, 1445, 2873, 3445, 3757, 4505, 8957, 11713, 14365, 15317, 18785, 44785, 48841, 58565, 76585, 152269, 199121, 244205, 761345, 995605, 2588573, 12942865]

約数ペア:

[(1, 12942865), (5, 2588573), (13, 995605), (17, 761345), (53, 244205), (65, 199121), (85, 152269), (169, 76585), (221, 58565), (265, 48841), (289, 44785), (689, 18785), (845, 15317), (901, 14365), (1105, 11713), (1445, 8957), (2873, 4505), (3445, 3757)]