28084945

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 40953600

約数和(自身を除く): 12868655

約数列:

[1, 5, 7, 19, 35, 95, 133, 157, 269, 665, 785, 1099, 1345, 1883, 2983, 5111, 5495, 9415, 14915, 20881, 25555, 35777, 42233, 104405, 178885, 211165, 295631, 802427, 1478155, 4012135, 5616989, 28084945]

約数ペア:

[(1, 28084945), (5, 5616989), (7, 4012135), (19, 1478155), (35, 802427), (95, 295631), (133, 211165), (157, 178885), (269, 104405), (665, 42233), (785, 35777), (1099, 25555), (1345, 20881), (1883, 14915), (2983, 9415), (5111, 5495)]