81200084

素因数分解:

$2^2\times 7^1\times {\mathrm{727}}^1\times {\mathrm{3989}}^1$

素因数の和:4727

約数の個数: 24

約数和(自身を含む): 162664320

約数和(自身を除く): 81464236

約数列:

[1, 2, 4, 7, 14, 28, 727, 1454, 2908, 3989, 5089, 7978, 10178, 15956, 20356, 27923, 55846, 111692, 2900003, 5800006, 11600012, 20300021, 40600042, 81200084]

約数ペア:

[(1, 81200084), (2, 40600042), (4, 20300021), (7, 11600012), (14, 5800006), (28, 2900003), (727, 111692), (1454, 55846), (2908, 27923), (3989, 20356), (5089, 15956), (7978, 10178)]