42839128

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{379}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 82080000

約数和(自身を除く): 39240872

約数列:

[1, 2, 4, 8, 71, 142, 199, 284, 379, 398, 568, 758, 796, 1516, 1592, 3032, 14129, 26909, 28258, 53818, 56516, 75421, 107636, 113032, 150842, 215272, 301684, 603368, 5354891, 10709782, 21419564, 42839128]

約数ペア:

[(1, 42839128), (2, 21419564), (4, 10709782), (8, 5354891), (71, 603368), (142, 301684), (199, 215272), (284, 150842), (379, 113032), (398, 107636), (568, 75421), (758, 56516), (796, 53818), (1516, 28258), (1592, 26909), (3032, 14129)]