84626425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{53}}^1$

素因数の和:127

約数の個数: 48

約数和(自身を含む): 122335920

約数和(自身を除く): 37709495

約数列:

[1, 5, 13, 17, 25, 53, 65, 85, 221, 265, 289, 325, 425, 689, 901, 1105, 1325, 1445, 3445, 3757, 4505, 4913, 5525, 7225, 11713, 15317, 17225, 18785, 22525, 24565, 58565, 63869, 76585, 93925, 122825, 199121, 260389, 292825, 319345, 382925, 995605, 1301945, 1596725, 3385057, 4978025, 6509725, 16925285, 84626425]

約数ペア:

[(1, 84626425), (5, 16925285), (13, 6509725), (17, 4978025), (25, 3385057), (53, 1596725), (65, 1301945), (85, 995605), (221, 382925), (265, 319345), (289, 292825), (325, 260389), (425, 199121), (689, 122825), (901, 93925), (1105, 76585), (1325, 63869), (1445, 58565), (3445, 24565), (3757, 22525), (4505, 18785), (4913, 17225), (5525, 15317), (7225, 11713)]