25439804

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{3571}}^1$

素因数の和:3725

約数の個数: 24

約数和(自身を含む): 48307728

約数和(自身を除く): 22867924

約数列:

[1, 2, 4, 13, 26, 52, 137, 274, 548, 1781, 3562, 3571, 7124, 7142, 14284, 46423, 92846, 185692, 489227, 978454, 1956908, 6359951, 12719902, 25439804]

約数ペア:

[(1, 25439804), (2, 12719902), (4, 6359951), (13, 1956908), (26, 978454), (52, 489227), (137, 185692), (274, 92846), (548, 46423), (1781, 14284), (3562, 7142), (3571, 7124)]