143728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{691}}^1$

素因数の和:712

約数の個数: 20

約数和(自身を含む): 300328

約数和(自身を除く): 156600

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 691, 1382, 2764, 5528, 8983, 11056, 17966, 35932, 71864, 143728]

約数ペア:

[(1, 143728), (2, 71864), (4, 35932), (8, 17966), (13, 11056), (16, 8983), (26, 5528), (52, 2764), (104, 1382), (208, 691)]