207845564

素因数分解:

$2^2\times {\mathrm{41}}^2\times {\mathrm{30911}}^1$

素因数の和:30997

約数の個数: 18

約数和(自身を含む): 372829632

約数和(自身を除く): 164984068

約数列:

[1, 2, 4, 41, 82, 164, 1681, 3362, 6724, 30911, 61822, 123644, 1267351, 2534702, 5069404, 51961391, 103922782, 207845564]

約数ペア:

[(1, 207845564), (2, 103922782), (4, 51961391), (41, 5069404), (82, 2534702), (164, 1267351), (1681, 123644), (3362, 61822), (6724, 30911)]