31507346

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2\times {\mathrm{97}}^1$

素因数の和:187

約数の個数: 36

約数和(自身を含む): 53425386

約数和(自身を除く): 21918040

約数列:

[1, 2, 13, 26, 31, 62, 97, 169, 194, 338, 403, 806, 961, 1261, 1922, 2522, 3007, 5239, 6014, 10478, 12493, 16393, 24986, 32786, 39091, 78182, 93217, 162409, 186434, 324818, 508183, 1016366, 1211821, 2423642, 15753673, 31507346]

約数ペア:

[(1, 31507346), (2, 15753673), (13, 2423642), (26, 1211821), (31, 1016366), (62, 508183), (97, 324818), (169, 186434), (194, 162409), (338, 93217), (403, 78182), (806, 39091), (961, 32786), (1261, 24986), (1922, 16393), (2522, 12493), (3007, 10478), (5239, 6014)]