74139728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{356441}}^1$

素因数の和:356462

約数の個数: 20

約数和(自身を含む): 154695828

約数和(自身を除く): 80556100

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 356441, 712882, 1425764, 2851528, 4633733, 5703056, 9267466, 18534932, 37069864, 74139728]

約数ペア:

[(1, 74139728), (2, 37069864), (4, 18534932), (8, 9267466), (13, 5703056), (16, 4633733), (26, 2851528), (52, 1425764), (104, 712882), (208, 356441)]