28497128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4561}}^1$

素因数の和:4649

約数の個数: 32

約数和(自身を含む): 59123520

約数和(自身を除く): 30626392

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 4561, 6248, 9122, 18244, 36488, 50171, 100342, 200684, 323831, 401368, 647662, 1295324, 2590648, 3562141, 7124282, 14248564, 28497128]

約数ペア:

[(1, 28497128), (2, 14248564), (4, 7124282), (8, 3562141), (11, 2590648), (22, 1295324), (44, 647662), (71, 401368), (88, 323831), (142, 200684), (284, 100342), (568, 50171), (781, 36488), (1562, 18244), (3124, 9122), (4561, 6248)]