2788786

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 5745600

約数和(自身を除く): 2956814

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 49, 77, 91, 98, 143, 154, 182, 199, 286, 398, 539, 637, 1001, 1078, 1274, 1393, 2002, 2189, 2587, 2786, 4378, 5174, 7007, 9751, 14014, 15323, 18109, 19502, 28457, 30646, 36218, 56914, 107261, 126763, 199199, 214522, 253526, 398398, 1394393, 2788786]

約数ペア:

[(1, 2788786), (2, 1394393), (7, 398398), (11, 253526), (13, 214522), (14, 199199), (22, 126763), (26, 107261), (49, 56914), (77, 36218), (91, 30646), (98, 28457), (143, 19502), (154, 18109), (182, 15323), (199, 14014), (286, 9751), (398, 7007), (539, 5174), (637, 4378), (1001, 2786), (1078, 2587), (1274, 2189), (1393, 2002)]