28281526

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:389

約数の個数: 48

約数和(自身を含む): 54008640

約数和(自身を除く): 25727114

約数列:

[1, 2, 7, 13, 14, 26, 49, 79, 91, 98, 158, 182, 281, 553, 562, 637, 1027, 1106, 1274, 1967, 2054, 3653, 3871, 3934, 7189, 7306, 7742, 13769, 14378, 22199, 25571, 27538, 44398, 50323, 51142, 100646, 155393, 178997, 288587, 310786, 357994, 577174, 1087751, 2020109, 2175502, 4040218, 14140763, 28281526]

約数ペア:

[(1, 28281526), (2, 14140763), (7, 4040218), (13, 2175502), (14, 2020109), (26, 1087751), (49, 577174), (79, 357994), (91, 310786), (98, 288587), (158, 178997), (182, 155393), (281, 100646), (553, 51142), (562, 50323), (637, 44398), (1027, 27538), (1106, 25571), (1274, 22199), (1967, 14378), (2054, 13769), (3653, 7742), (3871, 7306), (3934, 7189)]