8881390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1787}}^1$

素因数の和:1872

約数の個数: 32

約数和(自身を含む): 18537984

約数和(自身を除く): 9656594

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 1787, 2485, 3574, 4970, 8935, 12509, 17870, 25018, 62545, 125090, 126877, 253754, 634385, 888139, 1268770, 1776278, 4440695, 8881390]

約数ペア:

[(1, 8881390), (2, 4440695), (5, 1776278), (7, 1268770), (10, 888139), (14, 634385), (35, 253754), (70, 126877), (71, 125090), (142, 62545), (355, 25018), (497, 17870), (710, 12509), (994, 8935), (1787, 4970), (2485, 3574)]