28625142

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{509}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 71285760

約数和(自身を除く): 42660618

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 103, 182, 206, 273, 309, 509, 546, 618, 721, 1018, 1339, 1442, 1527, 2163, 2678, 3054, 3563, 4017, 4326, 6617, 7126, 8034, 9373, 10689, 13234, 18746, 19851, 21378, 28119, 39702, 46319, 52427, 56238, 92638, 104854, 138957, 157281, 277914, 314562, 366989, 681551, 733978, 1100967, 1363102, 2044653, 2201934, 4089306, 4770857, 9541714, 14312571, 28625142]

約数ペア:

[(1, 28625142), (2, 14312571), (3, 9541714), (6, 4770857), (7, 4089306), (13, 2201934), (14, 2044653), (21, 1363102), (26, 1100967), (39, 733978), (42, 681551), (78, 366989), (91, 314562), (103, 277914), (182, 157281), (206, 138957), (273, 104854), (309, 92638), (509, 56238), (546, 52427), (618, 46319), (721, 39702), (1018, 28119), (1339, 21378), (1442, 19851), (1527, 18746), (2163, 13234), (2678, 10689), (3054, 9373), (3563, 8034), (4017, 7126), (4326, 6617)]