81581956

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{3803}}^1$

素因数の和:4011

約数の個数: 24

約数和(自身を含む): 148264704

約数和(自身を除く): 66682748

約数列:

[1, 2, 4, 31, 62, 124, 173, 346, 692, 3803, 5363, 7606, 10726, 15212, 21452, 117893, 235786, 471572, 657919, 1315838, 2631676, 20395489, 40790978, 81581956]

約数ペア:

[(1, 81581956), (2, 40790978), (4, 20395489), (31, 2631676), (62, 1315838), (124, 657919), (173, 471572), (346, 235786), (692, 117893), (3803, 21452), (5363, 15212), (7606, 10726)]