857061121

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{593}}^1$

素因数の和:861

約数の個数: 32

約数和(自身を含む): 1051066368

約数和(自身を除く): 194005247

約数列:

[1, 7, 23, 47, 161, 191, 329, 593, 1081, 1337, 4151, 4393, 7567, 8977, 13639, 27871, 30751, 62839, 95473, 113263, 195097, 206471, 641033, 792841, 1445297, 2605049, 4487231, 5323361, 18235343, 37263527, 122437303, 857061121]

約数ペア:

[(1, 857061121), (7, 122437303), (23, 37263527), (47, 18235343), (161, 5323361), (191, 4487231), (329, 2605049), (593, 1445297), (1081, 792841), (1337, 641033), (4151, 206471), (4393, 195097), (7567, 113263), (8977, 95473), (13639, 62839), (27871, 30751)]