81993664

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{67429}}^1$

素因数の和:67460

約数の個数: 28

約数和(自身を含む): 171272200

約数和(自身を除く): 89278536

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 67429, 134858, 269716, 539432, 1078864, 1281151, 2157728, 2562302, 4315456, 5124604, 10249208, 20498416, 40996832, 81993664]

約数ペア:

[(1, 81993664), (2, 40996832), (4, 20498416), (8, 10249208), (16, 5124604), (19, 4315456), (32, 2562302), (38, 2157728), (64, 1281151), (76, 1078864), (152, 539432), (304, 269716), (608, 134858), (1216, 67429)]