51690275

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22721}}^1$

素因数の和:22751

約数の個数: 24

約数和(自身を含む): 78890784

約数和(自身を除く): 27200509

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 22721, 113605, 159047, 295373, 568025, 795235, 1476865, 2067611, 3976175, 7384325, 10338055, 51690275]

約数ペア:

[(1, 51690275), (5, 10338055), (7, 7384325), (13, 3976175), (25, 2067611), (35, 1476865), (65, 795235), (91, 568025), (175, 295373), (325, 159047), (455, 113605), (2275, 22721)]