68474575

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{853}}^1$

素因数の和:908

約数の個数: 36

約数和(自身を含む): 96894840

約数和(自身を除く): 28420265

約数列:

[1, 5, 13, 19, 25, 65, 95, 169, 247, 325, 475, 845, 853, 1235, 3211, 4225, 4265, 6175, 11089, 16055, 16207, 21325, 55445, 80275, 81035, 144157, 210691, 277225, 405175, 720785, 1053455, 2738983, 3603925, 5267275, 13694915, 68474575]

約数ペア:

[(1, 68474575), (5, 13694915), (13, 5267275), (19, 3603925), (25, 2738983), (65, 1053455), (95, 720785), (169, 405175), (247, 277225), (325, 210691), (475, 144157), (845, 81035), (853, 80275), (1235, 55445), (3211, 21325), (4225, 16207), (4265, 16055), (6175, 11089)]