77881979

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{4987}}^1$

素因数の和:5114

約数の個数: 16

約数和(自身を含む): 93854208

約数和(自身を除く): 15972229

約数列:

[1, 7, 23, 97, 161, 679, 2231, 4987, 15617, 34909, 114701, 483739, 802907, 3386173, 11125997, 77881979]

約数ペア:

[(1, 77881979), (7, 11125997), (23, 3386173), (97, 802907), (161, 483739), (679, 114701), (2231, 34909), (4987, 15617)]