400379668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{7699609}}^1$

素因数の和:7699626

約数の個数: 12

約数和(自身を含む): 754561780

約数和(自身を除く): 354182112

約数列:

[1, 2, 4, 13, 26, 52, 7699609, 15399218, 30798436, 100094917, 200189834, 400379668]

約数ペア:

[(1, 400379668), (2, 200189834), (4, 100094917), (13, 30798436), (26, 15399218), (52, 7699609)]