209291285

素因数分解:

$5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{199}}^2$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 290388096

約数和(自身を除く): 81096811

約数列:

[1, 5, 7, 35, 151, 199, 755, 995, 1057, 1393, 5285, 6965, 30049, 39601, 150245, 198005, 210343, 277207, 1051715, 1386035, 5979751, 29898755, 41858257, 209291285]

約数ペア:

[(1, 209291285), (5, 41858257), (7, 29898755), (35, 5979751), (151, 1386035), (199, 1051715), (755, 277207), (995, 210343), (1057, 198005), (1393, 150245), (5285, 39601), (6965, 30049)]