11215870

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15797}}^1$

素因数の和:15875

約数の個数: 16

約数和(自身を含む): 20474208

約数和(自身を除く): 9258338

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 15797, 31594, 78985, 157970, 1121587, 2243174, 5607935, 11215870]

約数ペア:

[(1, 11215870), (2, 5607935), (5, 2243174), (10, 1121587), (71, 157970), (142, 78985), (355, 31594), (710, 15797)]