81421664

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{35837}}^1$

素因数の和:35918

約数の個数: 24

約数和(自身を含む): 162561168

約数和(自身を除く): 81139504

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 35837, 71674, 143348, 286696, 573392, 1146784, 2544427, 5088854, 10177708, 20355416, 40710832, 81421664]

約数ペア:

[(1, 81421664), (2, 40710832), (4, 20355416), (8, 10177708), (16, 5088854), (32, 2544427), (71, 1146784), (142, 573392), (284, 286696), (568, 143348), (1136, 71674), (2272, 35837)]