211701425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{38317}}^1$

素因数の和:38357

約数の個数: 24

約数和(自身を含む): 299340216

約数和(自身を除く): 87638791

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5525, 38317, 191585, 498121, 651389, 957925, 2490605, 3256945, 8468057, 12453025, 16284725, 42340285, 211701425]

約数ペア:

[(1, 211701425), (5, 42340285), (13, 16284725), (17, 12453025), (25, 8468057), (65, 3256945), (85, 2490605), (221, 957925), (325, 651389), (425, 498121), (1105, 191585), (5525, 38317)]