1339984

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{941}}^1$

素因数の和:1038

約数の個数: 20

約数和(自身を含む): 2628180

約数和(自身を除く): 1288196

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 941, 1424, 1882, 3764, 7528, 15056, 83749, 167498, 334996, 669992, 1339984]

約数ペア:

[(1, 1339984), (2, 669992), (4, 334996), (8, 167498), (16, 83749), (89, 15056), (178, 7528), (356, 3764), (712, 1882), (941, 1424)]