81795812

素因数分解:

$2^2\times 7^1\times {\mathrm{1367}}^1\times {\mathrm{2137}}^1$

素因数の和:3515

約数の個数: 24

約数和(自身を含む): 163787904

約数和(自身を除く): 81992092

約数列:

[1, 2, 4, 7, 14, 28, 1367, 2137, 2734, 4274, 5468, 8548, 9569, 14959, 19138, 29918, 38276, 59836, 2921279, 5842558, 11685116, 20448953, 40897906, 81795812]

約数ペア:

[(1, 81795812), (2, 40897906), (4, 20448953), (7, 11685116), (14, 5842558), (28, 2921279), (1367, 59836), (2137, 38276), (2734, 29918), (4274, 19138), (5468, 14959), (8548, 9569)]