28700854

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5087}}^1$

素因数の和:5140

約数の個数: 32

約数和(自身を含む): 54706176

約数和(自身を除く): 26005322

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 5087, 5642, 10174, 35609, 66131, 71218, 132262, 157697, 315394, 462917, 925834, 1103879, 2050061, 2207758, 4100122, 14350427, 28700854]

約数ペア:

[(1, 28700854), (2, 14350427), (7, 4100122), (13, 2207758), (14, 2050061), (26, 1103879), (31, 925834), (62, 462917), (91, 315394), (182, 157697), (217, 132262), (403, 71218), (434, 66131), (806, 35609), (2821, 10174), (5087, 5642)]