890391086

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{210097}}^1$

素因数の和:210275

約数の個数: 16

約数和(自身を含む): 1447155024

約数和(自身を除く): 556763938

約数列:

[1, 2, 13, 26, 163, 326, 2119, 4238, 210097, 420194, 2731261, 5462522, 34245811, 68491622, 445195543, 890391086]

約数ペア:

[(1, 890391086), (2, 445195543), (13, 68491622), (26, 34245811), (163, 5462522), (326, 2731261), (2119, 420194), (4238, 210097)]