13023175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 19284480

約数和(自身を除く): 6261305

約数列:

[1, 5, 11, 23, 25, 29, 55, 71, 115, 145, 253, 275, 319, 355, 575, 667, 725, 781, 1265, 1595, 1633, 1775, 2059, 3335, 3905, 6325, 7337, 7975, 8165, 10295, 16675, 17963, 19525, 22649, 36685, 40825, 47357, 51475, 89815, 113245, 183425, 236785, 449075, 520927, 566225, 1183925, 2604635, 13023175]

約数ペア:

[(1, 13023175), (5, 2604635), (11, 1183925), (23, 566225), (25, 520927), (29, 449075), (55, 236785), (71, 183425), (115, 113245), (145, 89815), (253, 51475), (275, 47357), (319, 40825), (355, 36685), (575, 22649), (667, 19525), (725, 17963), (781, 16675), (1265, 10295), (1595, 8165), (1633, 7975), (1775, 7337), (2059, 6325), (3335, 3905)]