81336436

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{1259}}^1$

素因数の和:1815

約数の個数: 24

約数和(自身を含む): 147329280

約数和(自身を除く): 65992844

約数列:

[1, 2, 4, 31, 62, 124, 521, 1042, 1259, 2084, 2518, 5036, 16151, 32302, 39029, 64604, 78058, 156116, 655939, 1311878, 2623756, 20334109, 40668218, 81336436]

約数ペア:

[(1, 81336436), (2, 40668218), (4, 20334109), (31, 2623756), (62, 1311878), (124, 655939), (521, 156116), (1042, 78058), (1259, 64604), (2084, 39029), (2518, 32302), (5036, 16151)]