81270364

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{70793}}^1$

素因数の和:70845

約数の個数: 24

約数和(自身を含む): 166507488

約数和(自身を除く): 85237124

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 70793, 141586, 283172, 495551, 991102, 1982204, 2902513, 5805026, 11610052, 20317591, 40635182, 81270364]

約数ペア:

[(1, 81270364), (2, 40635182), (4, 20317591), (7, 11610052), (14, 5805026), (28, 2902513), (41, 1982204), (82, 991102), (164, 495551), (287, 283172), (574, 141586), (1148, 70793)]