397374352

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{4409}}^1$

素因数の和:4591

約数の個数: 40

約数和(自身を含む): 794011680

約数和(自身を除く): 396637328

約数列:

[1, 2, 4, 8, 16, 43, 86, 131, 172, 262, 344, 524, 688, 1048, 2096, 4409, 5633, 8818, 11266, 17636, 22532, 35272, 45064, 70544, 90128, 189587, 379174, 577579, 758348, 1155158, 1516696, 2310316, 3033392, 4620632, 9241264, 24835897, 49671794, 99343588, 198687176, 397374352]

約数ペア:

[(1, 397374352), (2, 198687176), (4, 99343588), (8, 49671794), (16, 24835897), (43, 9241264), (86, 4620632), (131, 3033392), (172, 2310316), (262, 1516696), (344, 1155158), (524, 758348), (688, 577579), (1048, 379174), (2096, 189587), (4409, 90128), (5633, 70544), (8818, 45064), (11266, 35272), (17636, 22532)]