155265475

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{1489}}^1$

素因数の和:1639

約数の個数: 24

約数和(自身を含む): 199171280

約数和(自身を除く): 43905805

約数列:

[1, 5, 25, 43, 97, 215, 485, 1075, 1489, 2425, 4171, 7445, 20855, 37225, 64027, 104275, 144433, 320135, 722165, 1600675, 3610825, 6210619, 31053095, 155265475]

約数ペア:

[(1, 155265475), (5, 31053095), (25, 6210619), (43, 3610825), (97, 1600675), (215, 722165), (485, 320135), (1075, 144433), (1489, 104275), (2425, 64027), (4171, 37225), (7445, 20855)]