857997361

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 1034820864

約数和(自身を除く): 176823503

約数列:

[1, 13, 17, 43, 47, 113, 221, 289, 559, 611, 731, 799, 1469, 1921, 2021, 3757, 4859, 5311, 9503, 10387, 12427, 13583, 24973, 26273, 32657, 34357, 63167, 69043, 82603, 90287, 161551, 176579, 228373, 424541, 446641, 584069, 1073839, 1173731, 1404251, 1534879, 2968849, 3882341, 7592897, 18255263, 19953427, 50470433, 65999797, 857997361]

約数ペア:

[(1, 857997361), (13, 65999797), (17, 50470433), (43, 19953427), (47, 18255263), (113, 7592897), (221, 3882341), (289, 2968849), (559, 1534879), (611, 1404251), (731, 1173731), (799, 1073839), (1469, 584069), (1921, 446641), (2021, 424541), (3757, 228373), (4859, 176579), (5311, 161551), (9503, 90287), (10387, 82603), (12427, 69043), (13583, 63167), (24973, 34357), (26273, 32657)]