28441721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 37601280

約数和(自身を除く): 9159559

約数列:

[1, 7, 11, 29, 47, 77, 203, 271, 319, 329, 517, 1363, 1897, 2233, 2981, 3619, 7859, 9541, 12737, 14993, 20867, 55013, 86449, 89159, 104951, 140107, 369373, 605143, 980749, 2585611, 4063103, 28441721]

約数ペア:

[(1, 28441721), (7, 4063103), (11, 2585611), (29, 980749), (47, 605143), (77, 369373), (203, 140107), (271, 104951), (319, 89159), (329, 86449), (517, 55013), (1363, 20867), (1897, 14993), (2233, 12737), (2981, 9541), (3619, 7859)]