28537943

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:220

約数の個数: 32

約数和(自身を含む): 36480000

約数和(自身を除く): 7942057

約数列:

[1, 7, 19, 29, 49, 133, 151, 203, 343, 551, 931, 1057, 1421, 2869, 3857, 4379, 6517, 7399, 9947, 20083, 26999, 30653, 51793, 83201, 140581, 188993, 214571, 582407, 984067, 1501997, 4076849, 28537943]

約数ペア:

[(1, 28537943), (7, 4076849), (19, 1501997), (29, 984067), (49, 582407), (133, 214571), (151, 188993), (203, 140581), (343, 83201), (551, 51793), (931, 30653), (1057, 26999), (1421, 20083), (2869, 9947), (3857, 7399), (4379, 6517)]