28659670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{491}}^1$

素因数の和:960

約数の個数: 32

約数和(自身を含む): 55792800

約数和(自身を除く): 27133130

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 449, 491, 898, 982, 2245, 2455, 4490, 4910, 5837, 6383, 11674, 12766, 29185, 31915, 58370, 63830, 220459, 440918, 1102295, 2204590, 2865967, 5731934, 14329835, 28659670]

約数ペア:

[(1, 28659670), (2, 14329835), (5, 5731934), (10, 2865967), (13, 2204590), (26, 1102295), (65, 440918), (130, 220459), (449, 63830), (491, 58370), (898, 31915), (982, 29185), (2245, 12766), (2455, 11674), (4490, 6383), (4910, 5837)]