64460005

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1509

約数の個数: 24

約数和(自身を含む): 84879360

約数和(自身を除く): 20419355

約数列:

[1, 5, 17, 31, 85, 155, 289, 527, 1439, 1445, 2635, 7195, 8959, 24463, 44609, 44795, 122315, 223045, 415871, 758353, 2079355, 3791765, 12892001, 64460005]

約数ペア:

[(1, 64460005), (5, 12892001), (17, 3791765), (31, 2079355), (85, 758353), (155, 415871), (289, 223045), (527, 122315), (1439, 44795), (1445, 44609), (2635, 24463), (7195, 8959)]