7647767988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{664561}}^1$

素因数の和:664712

約数の個数: 48

約数和(自身を含む): 20542940544

約数和(自身を除く): 12895172556

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 137, 274, 411, 548, 822, 959, 1644, 1918, 2877, 3836, 5754, 11508, 664561, 1329122, 1993683, 2658244, 3987366, 4651927, 7974732, 9303854, 13955781, 18607708, 27911562, 55823124, 91044857, 182089714, 273134571, 364179428, 546269142, 637313999, 1092538284, 1274627998, 1911941997, 2549255996, 3823883994, 7647767988]

約数ペア:

[(1, 7647767988), (2, 3823883994), (3, 2549255996), (4, 1911941997), (6, 1274627998), (7, 1092538284), (12, 637313999), (14, 546269142), (21, 364179428), (28, 273134571), (42, 182089714), (84, 91044857), (137, 55823124), (274, 27911562), (411, 18607708), (548, 13955781), (822, 9303854), (959, 7974732), (1644, 4651927), (1918, 3987366), (2877, 2658244), (3836, 1993683), (5754, 1329122), (11508, 664561)]