287347855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{1427}}^1$

素因数の和:1575

約数の個数: 32

約数和(自身を含む): 384943104

約数和(自身を除く): 97595249

約数列:

[1, 5, 17, 23, 85, 103, 115, 391, 515, 1427, 1751, 1955, 2369, 7135, 8755, 11845, 24259, 32821, 40273, 121295, 146981, 164105, 201365, 557957, 734905, 2498677, 2789785, 3380563, 12493385, 16902815, 57469571, 287347855]

約数ペア:

[(1, 287347855), (5, 57469571), (17, 16902815), (23, 12493385), (85, 3380563), (103, 2789785), (115, 2498677), (391, 734905), (515, 557957), (1427, 201365), (1751, 164105), (1955, 146981), (2369, 121295), (7135, 40273), (8755, 32821), (11845, 24259)]