128173552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{616219}}^1$

素因数の和:616240

約数の個数: 20

約数和(自身を含む): 267439480

約数和(自身を除く): 139265928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 616219, 1232438, 2464876, 4929752, 8010847, 9859504, 16021694, 32043388, 64086776, 128173552]

約数ペア:

[(1, 128173552), (2, 64086776), (4, 32043388), (8, 16021694), (13, 9859504), (16, 8010847), (26, 4929752), (52, 2464876), (104, 1232438), (208, 616219)]