13158145

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 21450240

約数和(自身を除く): 8292095

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 121, 143, 239, 385, 455, 605, 715, 847, 1001, 1195, 1573, 1673, 2629, 3107, 4235, 5005, 7865, 8365, 11011, 13145, 15535, 18403, 21749, 28919, 34177, 55055, 92015, 108745, 144595, 170885, 202433, 239239, 375947, 1012165, 1196195, 1879735, 2631629, 13158145]

約数ペア:

[(1, 13158145), (5, 2631629), (7, 1879735), (11, 1196195), (13, 1012165), (35, 375947), (55, 239239), (65, 202433), (77, 170885), (91, 144595), (121, 108745), (143, 92015), (239, 55055), (385, 34177), (455, 28919), (605, 21749), (715, 18403), (847, 15535), (1001, 13145), (1195, 11011), (1573, 8365), (1673, 7865), (2629, 5005), (3107, 4235)]