28117558

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 54632448

約数和(自身を除く): 26514890

約数列:

[1, 2, 7, 14, 17, 31, 34, 37, 62, 74, 103, 119, 206, 217, 238, 259, 434, 518, 527, 629, 721, 1054, 1147, 1258, 1442, 1751, 2294, 3193, 3502, 3689, 3811, 4403, 6386, 7378, 7622, 8029, 8806, 12257, 16058, 19499, 22351, 24514, 26677, 38998, 44702, 53354, 54281, 64787, 108562, 118141, 129574, 136493, 236282, 272986, 379967, 453509, 759934, 826987, 907018, 1653974, 2008397, 4016794, 14058779, 28117558]

約数ペア:

[(1, 28117558), (2, 14058779), (7, 4016794), (14, 2008397), (17, 1653974), (31, 907018), (34, 826987), (37, 759934), (62, 453509), (74, 379967), (103, 272986), (119, 236282), (206, 136493), (217, 129574), (238, 118141), (259, 108562), (434, 64787), (518, 54281), (527, 53354), (629, 44702), (721, 38998), (1054, 26677), (1147, 24514), (1258, 22351), (1442, 19499), (1751, 16058), (2294, 12257), (3193, 8806), (3502, 8029), (3689, 7622), (3811, 7378), (4403, 6386)]