16628144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79943}}^1$

素因数の和:79964

約数の個数: 20

約数和(自身を含む): 34695696

約数和(自身を除く): 18067552

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 79943, 159886, 319772, 639544, 1039259, 1279088, 2078518, 4157036, 8314072, 16628144]

約数ペア:

[(1, 16628144), (2, 8314072), (4, 4157036), (8, 2078518), (13, 1279088), (16, 1039259), (26, 639544), (52, 319772), (104, 159886), (208, 79943)]