1269723568

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{123803}}^1$

素因数の和:124452

約数の個数: 20

約数和(自身を含む): 2463947208

約数和(自身を除く): 1194223640

約数列:

[1, 2, 4, 8, 16, 641, 1282, 2564, 5128, 10256, 123803, 247606, 495212, 990424, 1980848, 79357723, 158715446, 317430892, 634861784, 1269723568]

約数ペア:

[(1, 1269723568), (2, 634861784), (4, 317430892), (8, 158715446), (16, 79357723), (641, 1980848), (1282, 990424), (2564, 495212), (5128, 247606), (10256, 123803)]