256215970

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{624917}}^1$

素因数の和:624965

約数の個数: 16

約数和(自身を含む): 472438008

約数和(自身を除く): 216222038

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 624917, 1249834, 3124585, 6249170, 25621597, 51243194, 128107985, 256215970]

約数ペア:

[(1, 256215970), (2, 128107985), (5, 51243194), (10, 25621597), (41, 6249170), (82, 3124585), (205, 1249834), (410, 624917)]