1896115

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{941}}^1$

素因数の和:990

約数の個数: 16

約数和(自身を含む): 2532096

約数和(自身を除く): 635981

約数列:

[1, 5, 13, 31, 65, 155, 403, 941, 2015, 4705, 12233, 29171, 61165, 145855, 379223, 1896115]

約数ペア:

[(1, 1896115), (5, 379223), (13, 145855), (31, 61165), (65, 29171), (155, 12233), (403, 4705), (941, 2015)]