2051299915

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1890599}}^1$

素因数の和:1890642

約数の個数: 16

約数和(自身を含む): 2903961600

約数和(自身を除く): 852661685

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 1890599, 9452995, 13234193, 58608569, 66170965, 293042845, 410259983, 2051299915]

約数ペア:

[(1, 2051299915), (5, 410259983), (7, 293042845), (31, 66170965), (35, 58608569), (155, 13234193), (217, 9452995), (1085, 1890599)]