157220855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{617}}^1$

素因数の和:787

約数の個数: 32

約数和(自身を含む): 213046848

約数和(自身を除く): 55825993

約数列:

[1, 5, 11, 41, 55, 113, 205, 451, 565, 617, 1243, 2255, 3085, 4633, 6215, 6787, 23165, 25297, 33935, 50963, 69721, 126485, 254815, 278267, 348605, 766931, 1391335, 2858561, 3834655, 14292805, 31444171, 157220855]

約数ペア:

[(1, 157220855), (5, 31444171), (11, 14292805), (41, 3834655), (55, 2858561), (113, 1391335), (205, 766931), (451, 348605), (565, 278267), (617, 254815), (1243, 126485), (2255, 69721), (3085, 50963), (4633, 33935), (6215, 25297), (6787, 23165)]