40187938

素因数分解:

$2^1\times 7^4\times {\mathrm{8369}}^1$

素因数の和:8399

約数の個数: 20

約数和(自身を含む): 70333110

約数和(自身を除く): 30145172

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4802, 8369, 16738, 58583, 117166, 410081, 820162, 2870567, 5741134, 20093969, 40187938]

約数ペア:

[(1, 40187938), (2, 20093969), (7, 5741134), (14, 2870567), (49, 820162), (98, 410081), (343, 117166), (686, 58583), (2401, 16738), (4802, 8369)]