138506608

素因数分解:

$2^4\times {\mathrm{443}}^1\times {\mathrm{19541}}^1$

素因数の和:19992

約数の個数: 20

約数和(自身を含む): 268976088

約数和(自身を除く): 130469480

約数列:

[1, 2, 4, 8, 16, 443, 886, 1772, 3544, 7088, 19541, 39082, 78164, 156328, 312656, 8656663, 17313326, 34626652, 69253304, 138506608]

約数ペア:

[(1, 138506608), (2, 69253304), (4, 34626652), (8, 17313326), (16, 8656663), (443, 312656), (886, 156328), (1772, 78164), (3544, 39082), (7088, 19541)]