81983456

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{59581}}^1$

素因数の和:59634

約数の個数: 24

約数和(自身を含む): 165161304

約数和(自身を除く): 83177848

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 59581, 119162, 238324, 476648, 953296, 1906592, 2561983, 5123966, 10247932, 20495864, 40991728, 81983456]

約数ペア:

[(1, 81983456), (2, 40991728), (4, 20495864), (8, 10247932), (16, 5123966), (32, 2561983), (43, 1906592), (86, 953296), (172, 476648), (344, 238324), (688, 119162), (1376, 59581)]