81921704

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{152839}}^1$

素因数の和:152912

約数の個数: 16

約数和(自身を含む): 155896800

約数和(自身を除く): 73975096

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 152839, 305678, 611356, 1222712, 10240213, 20480426, 40960852, 81921704]

約数ペア:

[(1, 81921704), (2, 40960852), (4, 20480426), (8, 10240213), (67, 1222712), (134, 611356), (268, 305678), (536, 152839)]