27988976

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4003}}^1$

素因数の和:4053

約数の個数: 40

約数和(自身を含む): 59579520

約数和(自身を除く): 31590544

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 368, 437, 874, 1748, 3496, 4003, 6992, 8006, 16012, 32024, 64048, 76057, 92069, 152114, 184138, 304228, 368276, 608456, 736552, 1216912, 1473104, 1749311, 3498622, 6997244, 13994488, 27988976]

約数ペア:

[(1, 27988976), (2, 13994488), (4, 6997244), (8, 3498622), (16, 1749311), (19, 1473104), (23, 1216912), (38, 736552), (46, 608456), (76, 368276), (92, 304228), (152, 184138), (184, 152114), (304, 92069), (368, 76057), (437, 64048), (874, 32024), (1748, 16012), (3496, 8006), (4003, 6992)]