256603655

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{6229}}^1$

素因数の和:6359

約数の個数: 32

約数和(自身を含む): 387555840

約数和(自身を除く): 130952185

約数列:

[1, 5, 7, 11, 35, 55, 77, 107, 385, 535, 749, 1177, 3745, 5885, 6229, 8239, 31145, 41195, 43603, 68519, 218015, 342595, 479633, 666503, 2398165, 3332515, 4665521, 7331533, 23327605, 36657665, 51320731, 256603655]

約数ペア:

[(1, 256603655), (5, 51320731), (7, 36657665), (11, 23327605), (35, 7331533), (55, 4665521), (77, 3332515), (107, 2398165), (385, 666503), (535, 479633), (749, 342595), (1177, 218015), (3745, 68519), (5885, 43603), (6229, 41195), (8239, 31145)]