218568575

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{4993}}^1$

素因数の和:5123

約数の個数: 24

約数和(自身を含む): 289811808

約数和(自身を除く): 71243233

約数列:

[1, 5, 17, 25, 85, 103, 425, 515, 1751, 2575, 4993, 8755, 24965, 43775, 84881, 124825, 424405, 514279, 2122025, 2571395, 8742743, 12856975, 43713715, 218568575]

約数ペア:

[(1, 218568575), (5, 43713715), (17, 12856975), (25, 8742743), (85, 2571395), (103, 2122025), (425, 514279), (515, 424405), (1751, 124825), (2575, 84881), (4993, 43775), (8755, 24965)]