208889371408

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{33561917}}^1$

素因数の和:33562314

約数の個数: 20

約数和(自身を含む): 405763588620

約数和(自身を除く): 196874217212

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 6224, 33561917, 67123834, 134247668, 268495336, 536990672, 13055585713, 26111171426, 52222342852, 104444685704, 208889371408]

約数ペア:

[(1, 208889371408), (2, 104444685704), (4, 52222342852), (8, 26111171426), (16, 13055585713), (389, 536990672), (778, 268495336), (1556, 134247668), (3112, 67123834), (6224, 33561917)]