66680276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{19139}}^1$

素因数の和:19223

約数の個数: 24

約数和(自身を含む): 127548960

約数和(自身を除く): 60868684

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 19139, 38278, 76556, 248807, 497614, 995228, 1282313, 2564626, 5129252, 16670069, 33340138, 66680276]

約数ペア:

[(1, 66680276), (2, 33340138), (4, 16670069), (13, 5129252), (26, 2564626), (52, 1282313), (67, 995228), (134, 497614), (268, 248807), (871, 76556), (1742, 38278), (3484, 19139)]