28640017

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{1367}}^1$

素因数の和:1488

約数の個数: 16

約数和(自身を含む): 34013952

約数和(自身を除く): 5373935

約数列:

[1, 7, 41, 73, 287, 511, 1367, 2993, 9569, 20951, 56047, 99791, 392329, 698537, 4091431, 28640017]

約数ペア:

[(1, 28640017), (7, 4091431), (41, 698537), (73, 392329), (287, 99791), (511, 56047), (1367, 20951), (2993, 9569)]