279901998

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{347}}^1\times {\mathrm{1093}}^1$

素因数の和:1489

約数の個数: 48

約数和(自身を含む): 623606256

約数和(自身を除く): 343704258

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 347, 369, 694, 738, 1041, 1093, 2082, 2186, 3123, 3279, 6246, 6558, 9837, 14227, 19674, 28454, 42681, 44813, 85362, 89626, 128043, 134439, 256086, 268878, 379271, 403317, 758542, 806634, 1137813, 2275626, 3413439, 6826878, 15550111, 31100222, 46650333, 93300666, 139950999, 279901998]

約数ペア:

[(1, 279901998), (2, 139950999), (3, 93300666), (6, 46650333), (9, 31100222), (18, 15550111), (41, 6826878), (82, 3413439), (123, 2275626), (246, 1137813), (347, 806634), (369, 758542), (694, 403317), (738, 379271), (1041, 268878), (1093, 256086), (2082, 134439), (2186, 128043), (3123, 89626), (3279, 85362), (6246, 44813), (6558, 42681), (9837, 28454), (14227, 19674)]