995605

素因数分解:

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

素因数の和:105

約数の個数: 24

約数和(自身を含む): 1392552

約数和(自身を除く): 396947

約数列:

[1, 5, 13, 17, 53, 65, 85, 221, 265, 289, 689, 901, 1105, 1445, 3445, 3757, 4505, 11713, 15317, 18785, 58565, 76585, 199121, 995605]

約数ペア:

[(1, 995605), (5, 199121), (13, 76585), (17, 58565), (53, 18785), (65, 15317), (85, 11713), (221, 4505), (265, 3757), (289, 3445), (689, 1445), (901, 1105)]