678857673

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{4643}}^1$

素因数の和:4845

約数の個数: 32

約数和(自身を含む): 1023611904

約数和(自身を除く): 344754231

約数列:

[1, 3, 13, 23, 39, 69, 163, 299, 489, 897, 2119, 3749, 4643, 6357, 11247, 13929, 48737, 60359, 106789, 146211, 181077, 320367, 756809, 1388257, 2270427, 4164771, 9838517, 17406607, 29515551, 52219821, 226285891, 678857673]

約数ペア:

[(1, 678857673), (3, 226285891), (13, 52219821), (23, 29515551), (39, 17406607), (69, 9838517), (163, 4164771), (299, 2270427), (489, 1388257), (897, 756809), (2119, 320367), (3749, 181077), (4643, 146211), (6357, 106789), (11247, 60359), (13929, 48737)]