561964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 1079568

約数和(自身を除く): 517604

約数列:

[1, 2, 4, 13, 26, 52, 101, 107, 202, 214, 404, 428, 1313, 1391, 2626, 2782, 5252, 5564, 10807, 21614, 43228, 140491, 280982, 561964]

約数ペア:

[(1, 561964), (2, 280982), (4, 140491), (13, 43228), (26, 21614), (52, 10807), (101, 5564), (107, 5252), (202, 2782), (214, 2626), (404, 1391), (428, 1313)]