1391728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{6691}}^1$

素因数の和:6712

約数の個数: 20

約数和(自身を含む): 2904328

約数和(自身を除く): 1512600

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 6691, 13382, 26764, 53528, 86983, 107056, 173966, 347932, 695864, 1391728]

約数ペア:

[(1, 1391728), (2, 695864), (4, 347932), (8, 173966), (13, 107056), (16, 86983), (26, 53528), (52, 26764), (104, 13382), (208, 6691)]