28321044479

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{919}}^1\times {\mathrm{1871}}^1$

素因数の和:2991

約数の個数: 32

約数和(自身を含む): 35106140160

約数和(自身を除く): 6785095681

約数列:

[1, 7, 13, 91, 181, 919, 1267, 1871, 2353, 6433, 11947, 13097, 16471, 24323, 83629, 166339, 170261, 338651, 1164373, 1719449, 2162407, 2370557, 4402463, 12036143, 15136849, 22352837, 30817241, 156469859, 311220269, 2178541883, 4045863497, 28321044479]

約数ペア:

[(1, 28321044479), (7, 4045863497), (13, 2178541883), (91, 311220269), (181, 156469859), (919, 30817241), (1267, 22352837), (1871, 15136849), (2353, 12036143), (6433, 4402463), (11947, 2370557), (13097, 2162407), (16471, 1719449), (24323, 1164373), (83629, 338651), (166339, 170261)]