2791085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1637}}^1$

素因数の和:1684

約数の個数: 16

約数和(自身を含む): 3773952

約数和(自身を除く): 982867

約数列:

[1, 5, 11, 31, 55, 155, 341, 1637, 1705, 8185, 18007, 50747, 90035, 253735, 558217, 2791085]

約数ペア:

[(1, 2791085), (5, 558217), (11, 253735), (31, 90035), (55, 50747), (155, 18007), (341, 8185), (1637, 1705)]