28486055

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 38750208

約数和(自身を除く): 10264153

約数列:

[1, 5, 13, 31, 65, 67, 155, 211, 335, 403, 871, 1055, 2015, 2077, 2743, 4355, 6541, 10385, 13715, 14137, 27001, 32705, 70685, 85033, 135005, 183781, 425165, 438247, 918905, 2191235, 5697211, 28486055]

約数ペア:

[(1, 28486055), (5, 5697211), (13, 2191235), (31, 918905), (65, 438247), (67, 425165), (155, 183781), (211, 135005), (335, 85033), (403, 70685), (871, 32705), (1055, 27001), (2015, 14137), (2077, 13715), (2743, 10385), (4355, 6541)]