64885639

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{11689}}^1$

素因数の和:11770

約数の個数: 16

約数和(自身を含む): 81175360

約数和(自身を除く): 16289721

約数列:

[1, 7, 13, 61, 91, 427, 793, 5551, 11689, 81823, 151957, 713029, 1063699, 4991203, 9269377, 64885639]

約数ペア:

[(1, 64885639), (7, 9269377), (13, 4991203), (61, 1063699), (91, 713029), (427, 151957), (793, 81823), (5551, 11689)]