131811992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{2861}}^1$

素因数の和:3323

約数の個数: 32

約数和(自身を含む): 266852880

約数和(自身を除く): 135040888

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 443, 886, 1772, 2861, 3544, 5722, 5759, 11444, 11518, 22888, 23036, 37193, 46072, 74386, 148772, 297544, 1267423, 2534846, 5069692, 10139384, 16476499, 32952998, 65905996, 131811992]

約数ペア:

[(1, 131811992), (2, 65905996), (4, 32952998), (8, 16476499), (13, 10139384), (26, 5069692), (52, 2534846), (104, 1267423), (443, 297544), (886, 148772), (1772, 74386), (2861, 46072), (3544, 37193), (5722, 23036), (5759, 22888), (11444, 11518)]