2009171668

素因数分解:

$2^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{263}}^1\times {\mathrm{1087}}^1$

素因数の和:1612

約数の個数: 48

約数和(自身を含む): 4053417984

約数和(自身を除く): 2044246316

約数列:

[1, 2, 4, 7, 14, 28, 251, 263, 502, 526, 1004, 1052, 1087, 1757, 1841, 2174, 3514, 3682, 4348, 7028, 7364, 7609, 15218, 30436, 66013, 132026, 264052, 272837, 285881, 462091, 545674, 571762, 924182, 1091348, 1143524, 1848364, 1909859, 2001167, 3819718, 4002334, 7639436, 8004668, 71756131, 143512262, 287024524, 502292917, 1004585834, 2009171668]

約数ペア:

[(1, 2009171668), (2, 1004585834), (4, 502292917), (7, 287024524), (14, 143512262), (28, 71756131), (251, 8004668), (263, 7639436), (502, 4002334), (526, 3819718), (1004, 2001167), (1052, 1909859), (1087, 1848364), (1757, 1143524), (1841, 1091348), (2174, 924182), (3514, 571762), (3682, 545674), (4348, 462091), (7028, 285881), (7364, 272837), (7609, 264052), (15218, 132026), (30436, 66013)]