518348519

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1481}}^1$

素因数の和:1635

約数の個数: 24

約数和(自身を含む): 596653200

約数和(自身を除く): 78304681

約数列:

[1, 13, 19, 109, 169, 247, 1417, 1481, 2071, 3211, 18421, 19253, 26923, 28139, 161429, 250289, 349999, 365807, 2098577, 3067151, 4755491, 27281501, 39872963, 518348519]

約数ペア:

[(1, 518348519), (13, 39872963), (19, 27281501), (109, 4755491), (169, 3067151), (247, 2098577), (1417, 365807), (1481, 349999), (2071, 250289), (3211, 161429), (18421, 28139), (19253, 26923)]