90435665

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 119180160

約数和(自身を除く): 28744495

約数列:

[1, 5, 17, 43, 85, 109, 215, 227, 545, 731, 1135, 1853, 3655, 3859, 4687, 9265, 9761, 19295, 23435, 24743, 48805, 79679, 123715, 165937, 398395, 420631, 829685, 1063949, 2103155, 5319745, 18087133, 90435665]

約数ペア:

[(1, 90435665), (5, 18087133), (17, 5319745), (43, 2103155), (85, 1063949), (109, 829685), (215, 420631), (227, 398395), (545, 165937), (731, 123715), (1135, 79679), (1853, 48805), (3655, 24743), (3859, 23435), (4687, 19295), (9265, 9761)]