386463740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1486399}}^1$

素因数の和:1486421

約数の個数: 24

約数和(自身を含む): 874003200

約数和(自身を除く): 487539460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1486399, 2972798, 5945596, 7431995, 14863990, 19323187, 29727980, 38646374, 77292748, 96615935, 193231870, 386463740]

約数ペア:

[(1, 386463740), (2, 193231870), (4, 96615935), (5, 77292748), (10, 38646374), (13, 29727980), (20, 19323187), (26, 14863990), (52, 7431995), (65, 5945596), (130, 2972798), (260, 1486399)]