25491284

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{5387}}^1$

素因数の和:5424

約数の個数: 36

約数和(自身を含む): 55216224

約数和(自身を除く): 29724940

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 676, 1183, 2366, 4732, 5387, 10774, 21548, 37709, 70031, 75418, 140062, 150836, 280124, 490217, 910403, 980434, 1820806, 1960868, 3641612, 6372821, 12745642, 25491284]

約数ペア:

[(1, 25491284), (2, 12745642), (4, 6372821), (7, 3641612), (13, 1960868), (14, 1820806), (26, 980434), (28, 910403), (52, 490217), (91, 280124), (169, 150836), (182, 140062), (338, 75418), (364, 70031), (676, 37709), (1183, 21548), (2366, 10774), (4732, 5387)]