1914575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:203

約数の個数: 24

約数和(自身を含む): 2635248

約数和(自身を除く): 720673

約数列:

[1, 5, 13, 25, 43, 65, 137, 215, 325, 559, 685, 1075, 1781, 2795, 3425, 5891, 8905, 13975, 29455, 44525, 76583, 147275, 382915, 1914575]

約数ペア:

[(1, 1914575), (5, 382915), (13, 147275), (25, 76583), (43, 44525), (65, 29455), (137, 13975), (215, 8905), (325, 5891), (559, 3425), (685, 2795), (1075, 1781)]