28665049

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 34933248

約数和(自身を除く): 6268199

約数列:

[1, 7, 31, 49, 113, 167, 217, 791, 1169, 1519, 3503, 5177, 5537, 8183, 18871, 24521, 36239, 132097, 171647, 253673, 585001, 924679, 4095007, 28665049]

約数ペア:

[(1, 28665049), (7, 4095007), (31, 924679), (49, 585001), (113, 253673), (167, 171647), (217, 132097), (791, 36239), (1169, 24521), (1519, 18871), (3503, 8183), (5177, 5537)]