68278864

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{137659}}^1$

素因数の和:137698

約数の個数: 20

約数和(自身を含む): 136558720

約数和(自身を除く): 68279856

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 137659, 275318, 550636, 1101272, 2202544, 4267429, 8534858, 17069716, 34139432, 68278864]

約数ペア:

[(1, 68278864), (2, 34139432), (4, 17069716), (8, 8534858), (16, 4267429), (31, 2202544), (62, 1101272), (124, 550636), (248, 275318), (496, 137659)]