81845008

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{38461}}^1$

素因数の和:38495

約数の個数: 40

約数和(自身を含む): 190771520

約数和(自身を除く): 108926512

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 38461, 76922, 153844, 269227, 307688, 538454, 615376, 730759, 1076908, 1461518, 2153816, 2923036, 4307632, 5115313, 5846072, 10230626, 11692144, 20461252, 40922504, 81845008]

約数ペア:

[(1, 81845008), (2, 40922504), (4, 20461252), (7, 11692144), (8, 10230626), (14, 5846072), (16, 5115313), (19, 4307632), (28, 2923036), (38, 2153816), (56, 1461518), (76, 1076908), (112, 730759), (133, 615376), (152, 538454), (266, 307688), (304, 269227), (532, 153844), (1064, 76922), (2128, 38461)]