80742788

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{17911}}^1$

素因数の和:17952

約数の個数: 36

約数和(自身を含む): 171525312

約数和(自身を除く): 90782524

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4508, 17911, 35822, 71644, 125377, 250754, 411953, 501508, 823906, 877639, 1647812, 1755278, 2883671, 3510556, 5767342, 11534684, 20185697, 40371394, 80742788]

約数ペア:

[(1, 80742788), (2, 40371394), (4, 20185697), (7, 11534684), (14, 5767342), (23, 3510556), (28, 2883671), (46, 1755278), (49, 1647812), (92, 877639), (98, 823906), (161, 501508), (196, 411953), (322, 250754), (644, 125377), (1127, 71644), (2254, 35822), (4508, 17911)]