7980476

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{677}}^1$

素因数の和:1109

約数の個数: 24

約数和(自身を含む): 16022496

約数和(自身を除く): 8042020

約数列:

[1, 2, 4, 7, 14, 28, 421, 677, 842, 1354, 1684, 2708, 2947, 4739, 5894, 9478, 11788, 18956, 285017, 570034, 1140068, 1995119, 3990238, 7980476]

約数ペア:

[(1, 7980476), (2, 3990238), (4, 1995119), (7, 1140068), (14, 570034), (28, 285017), (421, 18956), (677, 11788), (842, 9478), (1354, 5894), (1684, 4739), (2708, 2947)]