798721825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{7243}}^1$

素因数の和:7665

約数の個数: 24

約数和(自身を含む): 1083296736

約数和(自身を除く): 284574911

約数列:

[1, 5, 11, 25, 55, 275, 401, 2005, 4411, 7243, 10025, 22055, 36215, 79673, 110275, 181075, 398365, 1991825, 2904443, 14522215, 31948873, 72611075, 159744365, 798721825]

約数ペア:

[(1, 798721825), (5, 159744365), (11, 72611075), (25, 31948873), (55, 14522215), (275, 2904443), (401, 1991825), (2005, 398365), (4411, 181075), (7243, 110275), (10025, 79673), (22055, 36215)]