28378268

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1747}}^1$

素因数の和:1913

約数の個数: 24

約数和(自身を含む): 51684864

約数和(自身を除く): 23306596

約数列:

[1, 2, 4, 31, 62, 124, 131, 262, 524, 1747, 3494, 4061, 6988, 8122, 16244, 54157, 108314, 216628, 228857, 457714, 915428, 7094567, 14189134, 28378268]

約数ペア:

[(1, 28378268), (2, 14189134), (4, 7094567), (31, 915428), (62, 457714), (124, 228857), (131, 216628), (262, 108314), (524, 54157), (1747, 16244), (3494, 8122), (4061, 6988)]