23911225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 34372800

約数和(自身を除く): 10461575

約数列:

[1, 5, 13, 25, 29, 43, 59, 65, 145, 215, 295, 325, 377, 559, 725, 767, 1075, 1247, 1475, 1711, 1885, 2537, 2795, 3835, 6235, 8555, 9425, 12685, 13975, 16211, 19175, 22243, 31175, 32981, 42775, 63425, 73573, 81055, 111215, 164905, 367865, 405275, 556075, 824525, 956449, 1839325, 4782245, 23911225]

約数ペア:

[(1, 23911225), (5, 4782245), (13, 1839325), (25, 956449), (29, 824525), (43, 556075), (59, 405275), (65, 367865), (145, 164905), (215, 111215), (295, 81055), (325, 73573), (377, 63425), (559, 42775), (725, 32981), (767, 31175), (1075, 22243), (1247, 19175), (1475, 16211), (1711, 13975), (1885, 12685), (2537, 9425), (2795, 8555), (3835, 6235)]