128465005

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{2857}}^1$

素因数の和:2925

約数の個数: 24

約数和(自身を含む): 170691192

約数和(自身を除く): 42226187

約数列:

[1, 5, 17, 23, 85, 115, 391, 529, 1955, 2645, 2857, 8993, 14285, 44965, 48569, 65711, 242845, 328555, 1117087, 1511353, 5585435, 7556765, 25693001, 128465005]

約数ペア:

[(1, 128465005), (5, 25693001), (17, 7556765), (23, 5585435), (85, 1511353), (115, 1117087), (391, 328555), (529, 242845), (1955, 65711), (2645, 48569), (2857, 44965), (8993, 14285)]