217804570

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{8291}}^1$

素因数の和:8406

約数の個数: 32

約数和(自身を含む): 408364416

約数和(自身を除く): 190559846

約数列:

[1, 2, 5, 10, 37, 71, 74, 142, 185, 355, 370, 710, 2627, 5254, 8291, 13135, 16582, 26270, 41455, 82910, 306767, 588661, 613534, 1177322, 1533835, 2943305, 3067670, 5886610, 21780457, 43560914, 108902285, 217804570]

約数ペア:

[(1, 217804570), (2, 108902285), (5, 43560914), (10, 21780457), (37, 5886610), (71, 3067670), (74, 2943305), (142, 1533835), (185, 1177322), (355, 613534), (370, 588661), (710, 306767), (2627, 82910), (5254, 41455), (8291, 26270), (13135, 16582)]