86751425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 120206592

約数和(自身を除く): 33455167

約数列:

[1, 5, 17, 25, 43, 47, 85, 101, 215, 235, 425, 505, 731, 799, 1075, 1175, 1717, 2021, 2525, 3655, 3995, 4343, 4747, 8585, 10105, 18275, 19975, 21715, 23735, 34357, 42925, 50525, 73831, 80699, 108575, 118675, 171785, 204121, 369155, 403495, 858925, 1020605, 1845775, 2017475, 3470057, 5103025, 17350285, 86751425]

約数ペア:

[(1, 86751425), (5, 17350285), (17, 5103025), (25, 3470057), (43, 2017475), (47, 1845775), (85, 1020605), (101, 858925), (215, 403495), (235, 369155), (425, 204121), (505, 171785), (731, 118675), (799, 108575), (1075, 80699), (1175, 73831), (1717, 50525), (2021, 42925), (2525, 34357), (3655, 23735), (3995, 21715), (4343, 19975), (4747, 18275), (8585, 10105)]