78656875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{673}}^1$

素因数の和:721

約数の個数: 40

約数和(自身を含む): 113701104

約数和(自身を除く): 35044229

約数列:

[1, 5, 11, 17, 25, 55, 85, 125, 187, 275, 425, 625, 673, 935, 1375, 2125, 3365, 4675, 6875, 7403, 10625, 11441, 16825, 23375, 37015, 57205, 84125, 116875, 125851, 185075, 286025, 420625, 629255, 925375, 1430125, 3146275, 4626875, 7150625, 15731375, 78656875]

約数ペア:

[(1, 78656875), (5, 15731375), (11, 7150625), (17, 4626875), (25, 3146275), (55, 1430125), (85, 925375), (125, 629255), (187, 420625), (275, 286025), (425, 185075), (625, 125851), (673, 116875), (935, 84125), (1375, 57205), (2125, 37015), (3365, 23375), (4675, 16825), (6875, 11441), (7403, 10625)]