81628864

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{67129}}^1$

素因数の和:67160

約数の個数: 28

約数和(自身を含む): 170510200

約数和(自身を除く): 88881336

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 67129, 134258, 268516, 537032, 1074064, 1275451, 2148128, 2550902, 4296256, 5101804, 10203608, 20407216, 40814432, 81628864]

約数ペア:

[(1, 81628864), (2, 40814432), (4, 20407216), (8, 10203608), (16, 5101804), (19, 4296256), (32, 2550902), (38, 2148128), (64, 1275451), (76, 1074064), (152, 537032), (304, 268516), (608, 134258), (1216, 67129)]