254192015

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{2333}}^1$

素因数の和:2639

約数の個数: 32

約数和(自身を含む): 381805056

約数和(自身を除く): 127613041

約数列:

[1, 5, 7, 11, 35, 55, 77, 283, 385, 1415, 1981, 2333, 3113, 9905, 11665, 15565, 16331, 21791, 25663, 81655, 108955, 128315, 179641, 660239, 898205, 3301195, 4621673, 7262629, 23108365, 36313145, 50838403, 254192015]

約数ペア:

[(1, 254192015), (5, 50838403), (7, 36313145), (11, 23108365), (35, 7262629), (55, 4621673), (77, 3301195), (283, 898205), (385, 660239), (1415, 179641), (1981, 128315), (2333, 108955), (3113, 81655), (9905, 25663), (11665, 21791), (15565, 16331)]