71742209

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{6703}}^1$

素因数の和:6860

約数の個数: 16

約数和(自身を含む): 90101760

約数和(自身を除く): 18359551

約数列:

[1, 7, 11, 77, 139, 973, 1529, 6703, 10703, 46921, 73733, 516131, 931717, 6522019, 10248887, 71742209]

約数ペア:

[(1, 71742209), (7, 10248887), (11, 6522019), (77, 931717), (139, 516131), (973, 73733), (1529, 46921), (6703, 10703)]