217874878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1637}}^1\times {\mathrm{5119}}^1$

素因数の和:6771

約数の個数: 16

約数和(自身を含む): 352235520

約数和(自身を除く): 134360642

約数列:

[1, 2, 13, 26, 1637, 3274, 5119, 10238, 21281, 42562, 66547, 133094, 8379803, 16759606, 108937439, 217874878]

約数ペア:

[(1, 217874878), (2, 108937439), (13, 16759606), (26, 8379803), (1637, 133094), (3274, 66547), (5119, 42562), (10238, 21281)]