211044275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{4957}}^1$

素因数の和:5111

約数の個数: 24

約数和(自身を含む): 284033904

約数和(自身を除く): 72989629

約数列:

[1, 5, 13, 25, 65, 131, 325, 655, 1703, 3275, 4957, 8515, 24785, 42575, 64441, 123925, 322205, 649367, 1611025, 3246835, 8441771, 16234175, 42208855, 211044275]

約数ペア:

[(1, 211044275), (5, 42208855), (13, 16234175), (25, 8441771), (65, 3246835), (131, 1611025), (325, 649367), (655, 322205), (1703, 123925), (3275, 64441), (4957, 42575), (8515, 24785)]