678756

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 1803200

約数和(自身を除く): 1124444

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 229, 247, 458, 494, 687, 741, 916, 988, 1374, 1482, 2748, 2964, 2977, 4351, 5954, 8702, 8931, 11908, 13053, 17404, 17862, 26106, 35724, 52212, 56563, 113126, 169689, 226252, 339378, 678756]

約数ペア:

[(1, 678756), (2, 339378), (3, 226252), (4, 169689), (6, 113126), (12, 56563), (13, 52212), (19, 35724), (26, 26106), (38, 17862), (39, 17404), (52, 13053), (57, 11908), (76, 8931), (78, 8702), (114, 5954), (156, 4351), (228, 2977), (229, 2964), (247, 2748), (458, 1482), (494, 1374), (687, 988), (741, 916)]