201409805

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 255550464

約数和(自身を除く): 54140659

約数列:

[1, 5, 47, 53, 103, 157, 235, 265, 515, 785, 2491, 4841, 5459, 7379, 8321, 12455, 16171, 24205, 27295, 36895, 41605, 80855, 256573, 391087, 760037, 857063, 1282865, 1955435, 3800185, 4285315, 40281961, 201409805]

約数ペア:

[(1, 201409805), (5, 40281961), (47, 4285315), (53, 3800185), (103, 1955435), (157, 1282865), (235, 857063), (265, 760037), (515, 391087), (785, 256573), (2491, 80855), (4841, 41605), (5459, 36895), (7379, 27295), (8321, 24205), (12455, 16171)]