25991329

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 33546240

約数和(自身を除く): 7554911

約数列:

[1, 7, 13, 47, 59, 91, 103, 329, 413, 611, 721, 767, 1339, 2773, 4277, 4841, 5369, 6077, 9373, 19411, 33887, 36049, 42539, 62933, 79001, 252343, 285619, 440531, 553007, 1999333, 3713047, 25991329]

約数ペア:

[(1, 25991329), (7, 3713047), (13, 1999333), (47, 553007), (59, 440531), (91, 285619), (103, 252343), (329, 79001), (413, 62933), (611, 42539), (721, 36049), (767, 33887), (1339, 19411), (2773, 9373), (4277, 6077), (4841, 5369)]