156945745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{881}}^1$

素因数の和:1017

約数の個数: 32

約数和(自身を含む): 213373440

約数和(自身を除く): 56427695

約数列:

[1, 5, 11, 41, 55, 79, 205, 395, 451, 869, 881, 2255, 3239, 4345, 4405, 9691, 16195, 35629, 36121, 48455, 69599, 178145, 180605, 347995, 397331, 765589, 1986655, 2853559, 3827945, 14267795, 31389149, 156945745]

約数ペア:

[(1, 156945745), (5, 31389149), (11, 14267795), (41, 3827945), (55, 2853559), (79, 1986655), (205, 765589), (395, 397331), (451, 347995), (869, 180605), (881, 178145), (2255, 69599), (3239, 48455), (4345, 36121), (4405, 35629), (9691, 16195)]