31373870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1279}}^1$

素因数の和:1520

約数の個数: 32

約数和(自身を含む): 61931520

約数和(自身を除く): 30557650

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 223, 446, 1115, 1279, 2230, 2453, 2558, 4906, 6395, 12265, 12790, 14069, 24530, 28138, 70345, 140690, 285217, 570434, 1426085, 2852170, 3137387, 6274774, 15686935, 31373870]

約数ペア:

[(1, 31373870), (2, 15686935), (5, 6274774), (10, 3137387), (11, 2852170), (22, 1426085), (55, 570434), (110, 285217), (223, 140690), (446, 70345), (1115, 28138), (1279, 24530), (2230, 14069), (2453, 12790), (2558, 12265), (4906, 6395)]