217891804

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{39161}}^1$

素因数の和:39285

約数の個数: 24

約数和(自身を含む): 414490608

約数和(自身を除く): 196598804

約数列:

[1, 2, 4, 13, 26, 52, 107, 214, 428, 1391, 2782, 5564, 39161, 78322, 156644, 509093, 1018186, 2036372, 4190227, 8380454, 16760908, 54472951, 108945902, 217891804]

約数ペア:

[(1, 217891804), (2, 108945902), (4, 54472951), (13, 16760908), (26, 8380454), (52, 4190227), (107, 2036372), (214, 1018186), (428, 509093), (1391, 156644), (2782, 78322), (5564, 39161)]