389639228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{739}}^1$

素因数の和:1298

約数の個数: 48

約数和(自身を含む): 778740480

約数和(自身を除く): 389101252

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 521, 739, 1012, 1042, 1478, 2084, 2956, 5731, 8129, 11462, 11983, 16258, 16997, 22924, 23966, 32516, 33994, 47932, 67988, 131813, 186967, 263626, 373934, 385019, 527252, 747868, 770038, 1540076, 4235209, 8470418, 8855437, 16940836, 17710874, 35421748, 97409807, 194819614, 389639228]

約数ペア:

[(1, 389639228), (2, 194819614), (4, 97409807), (11, 35421748), (22, 17710874), (23, 16940836), (44, 8855437), (46, 8470418), (92, 4235209), (253, 1540076), (506, 770038), (521, 747868), (739, 527252), (1012, 385019), (1042, 373934), (1478, 263626), (2084, 186967), (2956, 131813), (5731, 67988), (8129, 47932), (11462, 33994), (11983, 32516), (16258, 23966), (16997, 22924)]