221438978

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1\times {\mathrm{3217}}^1$

素因数の和:3617

約数の個数: 16

約数和(自身を含む): 336113664

約数和(自身を除く): 114674686

約数列:

[1, 2, 127, 254, 271, 542, 3217, 6434, 34417, 68834, 408559, 817118, 871807, 1743614, 110719489, 221438978]

約数ペア:

[(1, 221438978), (2, 110719489), (127, 1743614), (254, 871807), (271, 817118), (542, 408559), (3217, 68834), (6434, 34417)]