389680775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{7193}}^1$

素因数の和:7411

約数の個数: 24

約数和(自身を含む): 529881264

約数和(自身を除く): 140200489

約数列:

[1, 5, 11, 25, 55, 197, 275, 985, 2167, 4925, 7193, 10835, 35965, 54175, 79123, 179825, 395615, 1417021, 1978075, 7085105, 15587231, 35425525, 77936155, 389680775]

約数ペア:

[(1, 389680775), (5, 77936155), (11, 35425525), (25, 15587231), (55, 7085105), (197, 1978075), (275, 1417021), (985, 395615), (2167, 179825), (4925, 79123), (7193, 54175), (10835, 35965)]