388732172

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{25703}}^1$

素因数の和:25925

約数の個数: 24

約数和(自身を含む): 719712000

約数和(自身を除く): 330979828

約数列:

[1, 2, 4, 19, 38, 76, 199, 398, 796, 3781, 7562, 15124, 25703, 51406, 102812, 488357, 976714, 1953428, 5114897, 10229794, 20459588, 97183043, 194366086, 388732172]

約数ペア:

[(1, 388732172), (2, 194366086), (4, 97183043), (19, 20459588), (38, 10229794), (76, 5114897), (199, 1953428), (398, 976714), (796, 488357), (3781, 102812), (7562, 51406), (15124, 25703)]