81399828

素因数分解:

$2^2\times 3^1\times {\mathrm{1249}}^1\times {\mathrm{5431}}^1$

素因数の和:6687

約数の個数: 24

約数和(自身を含む): 190120000

約数和(自身を除く): 108720172

約数列:

[1, 2, 3, 4, 6, 12, 1249, 2498, 3747, 4996, 5431, 7494, 10862, 14988, 16293, 21724, 32586, 65172, 6783319, 13566638, 20349957, 27133276, 40699914, 81399828]

約数ペア:

[(1, 81399828), (2, 40699914), (3, 27133276), (4, 20349957), (6, 13566638), (12, 6783319), (1249, 65172), (2498, 32586), (3747, 21724), (4996, 16293), (5431, 14988), (7494, 10862)]