28855216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{138727}}^1$

素因数の和:138748

約数の個数: 20

約数和(自身を含む): 60207952

約数和(自身を除く): 31352736

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 138727, 277454, 554908, 1109816, 1803451, 2219632, 3606902, 7213804, 14427608, 28855216]

約数ペア:

[(1, 28855216), (2, 14427608), (4, 7213804), (8, 3606902), (13, 2219632), (16, 1803451), (26, 1109816), (52, 554908), (104, 277454), (208, 138727)]