80788916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{36131}}^1$

素因数の和:36191

約数の個数: 24

約数和(自身を含む): 155801184

約数和(自身を除く): 75012268

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 36131, 72262, 144524, 469703, 939406, 1553633, 1878812, 3107266, 6214532, 20197229, 40394458, 80788916]

約数ペア:

[(1, 80788916), (2, 40394458), (4, 20197229), (13, 6214532), (26, 3107266), (43, 1878812), (52, 1553633), (86, 939406), (172, 469703), (559, 144524), (1118, 72262), (2236, 36131)]