28681835

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{373}}^1$

素因数の和:424

約数の個数: 32

約数和(自身を含む): 42725760

約数和(自身を除く): 14043925

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 373, 455, 845, 1183, 1865, 2197, 2611, 4849, 5915, 10985, 13055, 15379, 24245, 33943, 63037, 76895, 169715, 315185, 441259, 819481, 2206295, 4097405, 5736367, 28681835]

約数ペア:

[(1, 28681835), (5, 5736367), (7, 4097405), (13, 2206295), (35, 819481), (65, 441259), (91, 315185), (169, 169715), (373, 76895), (455, 63037), (845, 33943), (1183, 24245), (1865, 15379), (2197, 13055), (2611, 10985), (4849, 5915)]