26860015

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 42163200

約数和(自身を除く): 15303185

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 169, 239, 247, 455, 665, 845, 1183, 1195, 1235, 1673, 1729, 3107, 3211, 4541, 5915, 8365, 8645, 15535, 16055, 21749, 22477, 22705, 31787, 40391, 59033, 108745, 112385, 158935, 201955, 282737, 295165, 413231, 767429, 1413685, 2066155, 3837145, 5372003, 26860015]

約数ペア:

[(1, 26860015), (5, 5372003), (7, 3837145), (13, 2066155), (19, 1413685), (35, 767429), (65, 413231), (91, 295165), (95, 282737), (133, 201955), (169, 158935), (239, 112385), (247, 108745), (455, 59033), (665, 40391), (845, 31787), (1183, 22705), (1195, 22477), (1235, 21749), (1673, 16055), (1729, 15535), (3107, 8645), (3211, 8365), (4541, 5915)]