25641716

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{5531}}^1$

素因数の和:5615

約数の個数: 24

約数和(自身を含む): 48017760

約数和(自身を除く): 22376044

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 4636, 5531, 11062, 22124, 105089, 210178, 337391, 420356, 674782, 1349564, 6410429, 12820858, 25641716]

約数ペア:

[(1, 25641716), (2, 12820858), (4, 6410429), (19, 1349564), (38, 674782), (61, 420356), (76, 337391), (122, 210178), (244, 105089), (1159, 22124), (2318, 11062), (4636, 5531)]