2111525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:185

約数の個数: 24

約数和(自身を含む): 2890440

約数和(自身を除く): 778915

約数列:

[1, 5, 13, 25, 65, 73, 89, 325, 365, 445, 949, 1157, 1825, 2225, 4745, 5785, 6497, 23725, 28925, 32485, 84461, 162425, 422305, 2111525]

約数ペア:

[(1, 2111525), (5, 422305), (13, 162425), (25, 84461), (65, 32485), (73, 28925), (89, 23725), (325, 6497), (365, 5785), (445, 4745), (949, 2225), (1157, 1825)]