65790725

素因数分解:

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

素因数の和:291

約数の個数: 72

約数和(自身を含む): 110826240

約数和(自身を除く): 45035515

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 121, 143, 175, 239, 275, 325, 385, 455, 605, 715, 847, 1001, 1195, 1573, 1673, 1925, 2275, 2629, 3025, 3107, 3575, 4235, 5005, 5975, 7865, 8365, 11011, 13145, 15535, 18403, 21175, 21749, 25025, 28919, 34177, 39325, 41825, 55055, 65725, 77675, 92015, 108745, 144595, 170885, 202433, 239239, 275275, 375947, 460075, 543725, 722975, 854425, 1012165, 1196195, 1879735, 2631629, 5060825, 5980975, 9398675, 13158145, 65790725]

約数ペア:

[(1, 65790725), (5, 13158145), (7, 9398675), (11, 5980975), (13, 5060825), (25, 2631629), (35, 1879735), (55, 1196195), (65, 1012165), (77, 854425), (91, 722975), (121, 543725), (143, 460075), (175, 375947), (239, 275275), (275, 239239), (325, 202433), (385, 170885), (455, 144595), (605, 108745), (715, 92015), (847, 77675), (1001, 65725), (1195, 55055), (1573, 41825), (1673, 39325), (1925, 34177), (2275, 28919), (2629, 25025), (3025, 21749), (3107, 21175), (3575, 18403), (4235, 15535), (5005, 13145), (5975, 11011), (7865, 8365)]