25102781

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 29685600

約数和(自身を除く): 4582819

約数列:

[1, 11, 19, 61, 121, 179, 209, 671, 1159, 1969, 2299, 3401, 7381, 10919, 12749, 21659, 37411, 120109, 140239, 207461, 411521, 1321199, 2282071, 25102781]

約数ペア:

[(1, 25102781), (11, 2282071), (19, 1321199), (61, 411521), (121, 207461), (179, 140239), (209, 120109), (671, 37411), (1159, 21659), (1969, 12749), (2299, 10919), (3401, 7381)]