201871085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{359}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 269256960

約数和(自身を除く): 67385875

約数列:

[1, 5, 13, 41, 65, 205, 211, 359, 533, 1055, 1795, 2665, 2743, 4667, 8651, 13715, 14719, 23335, 43255, 73595, 75749, 112463, 191347, 378745, 562315, 956735, 984737, 3105709, 4923685, 15528545, 40374217, 201871085]

約数ペア:

[(1, 201871085), (5, 40374217), (13, 15528545), (41, 4923685), (65, 3105709), (205, 984737), (211, 956735), (359, 562315), (533, 378745), (1055, 191347), (1795, 112463), (2665, 75749), (2743, 73595), (4667, 43255), (8651, 23335), (13715, 14719)]