81131696

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{33581}}^1$

素因数の和:33740

約数の個数: 20

約数和(自身を含む): 158238384

約数和(自身を除く): 77106688

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 2416, 33581, 67162, 134324, 268648, 537296, 5070731, 10141462, 20282924, 40565848, 81131696]

約数ペア:

[(1, 81131696), (2, 40565848), (4, 20282924), (8, 10141462), (16, 5070731), (151, 537296), (302, 268648), (604, 134324), (1208, 67162), (2416, 33581)]