28721279

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{463}}^1$

素因数の和:610

約数の個数: 16

約数和(自身を含む): 31570560

約数和(自身を除く): 2849281

約数列:

[1, 17, 41, 89, 463, 697, 1513, 3649, 7871, 18983, 41207, 62033, 322711, 700519, 1689487, 28721279]

約数ペア:

[(1, 28721279), (17, 1689487), (41, 700519), (89, 322711), (463, 62033), (697, 41207), (1513, 18983), (3649, 7871)]