138709987

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{941}}^1$

素因数の和:1023

約数の個数: 32

約数和(自身を含む): 170916480

約数和(自身を除く): 32206493

約数列:

[1, 13, 17, 23, 29, 221, 299, 377, 391, 493, 667, 941, 5083, 6409, 8671, 11339, 12233, 15997, 21643, 27289, 147407, 207961, 281359, 354757, 367931, 463913, 627647, 4783103, 6030869, 8159411, 10669999, 138709987]

約数ペア:

[(1, 138709987), (13, 10669999), (17, 8159411), (23, 6030869), (29, 4783103), (221, 627647), (299, 463913), (377, 367931), (391, 354757), (493, 281359), (667, 207961), (941, 147407), (5083, 27289), (6409, 21643), (8671, 15997), (11339, 12233)]