31487216

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{5059}}^1$

素因数の和:5456

約数の個数: 20

約数和(自身を含む): 61175400

約数和(自身を除く): 29688184

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 5059, 6224, 10118, 20236, 40472, 80944, 1967951, 3935902, 7871804, 15743608, 31487216]

約数ペア:

[(1, 31487216), (2, 15743608), (4, 7871804), (8, 3935902), (16, 1967951), (389, 80944), (778, 40472), (1556, 20236), (3112, 10118), (5059, 6224)]