138441025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{3947}}^1$

素因数の和:4041

約数の個数: 24

約数和(自身を含む): 182113344

約数和(自身を除く): 43672319

約数列:

[1, 5, 23, 25, 61, 115, 305, 575, 1403, 1525, 3947, 7015, 19735, 35075, 90781, 98675, 240767, 453905, 1203835, 2269525, 5537641, 6019175, 27688205, 138441025]

約数ペア:

[(1, 138441025), (5, 27688205), (23, 6019175), (25, 5537641), (61, 2269525), (115, 1203835), (305, 453905), (575, 240767), (1403, 98675), (1525, 90781), (3947, 35075), (7015, 19735)]