291228275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{52711}}^1$

素因数の和:52751

約数の個数: 24

約数和(自身を含む): 411786144

約数和(自身を除く): 120557869

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5525, 52711, 263555, 685243, 896087, 1317775, 3426215, 4480435, 11649131, 17131075, 22402175, 58245655, 291228275]

約数ペア:

[(1, 291228275), (5, 58245655), (13, 22402175), (17, 17131075), (25, 11649131), (65, 4480435), (85, 3426215), (221, 1317775), (325, 896087), (425, 685243), (1105, 263555), (5525, 52711)]