8420867

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:159

約数の個数: 32

約数和(自身を含む): 11082624

約数和(自身を除く): 2661757

約数列:

[1, 7, 13, 37, 41, 61, 91, 259, 287, 427, 481, 533, 793, 1517, 2257, 2501, 3367, 3731, 5551, 10619, 15799, 17507, 19721, 29341, 32513, 92537, 138047, 205387, 227591, 647759, 1202981, 8420867]

約数ペア:

[(1, 8420867), (7, 1202981), (13, 647759), (37, 227591), (41, 205387), (61, 138047), (91, 92537), (259, 32513), (287, 29341), (427, 19721), (481, 17507), (533, 15799), (793, 10619), (1517, 5551), (2257, 3731), (2501, 3367)]