13378244

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:368

約数の個数: 36

約数和(自身を含む): 26053104

約数和(自身を除く): 12674860

約数列:

[1, 2, 4, 11, 22, 44, 121, 131, 211, 242, 262, 422, 484, 524, 844, 1441, 2321, 2882, 4642, 5764, 9284, 15851, 25531, 27641, 31702, 51062, 55282, 63404, 102124, 110564, 304051, 608102, 1216204, 3344561, 6689122, 13378244]

約数ペア:

[(1, 13378244), (2, 6689122), (4, 3344561), (11, 1216204), (22, 608102), (44, 304051), (121, 110564), (131, 102124), (211, 63404), (242, 55282), (262, 51062), (422, 31702), (484, 27641), (524, 25531), (844, 15851), (1441, 9284), (2321, 5764), (2882, 4642)]