199401616

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{89659}}^1$

素因数の和:89806

約数の個数: 20

約数和(自身を含む): 389124400

約数和(自身を除く): 189722784

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 89659, 179318, 358636, 717272, 1434544, 12462601, 24925202, 49850404, 99700808, 199401616]

約数ペア:

[(1, 199401616), (2, 99700808), (4, 49850404), (8, 24925202), (16, 12462601), (139, 1434544), (278, 717272), (556, 358636), (1112, 179318), (2224, 89659)]