2011921808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{76163}}^1$

素因数の和:76311

約数の個数: 40

約数和(自身を含む): 4231062528

約数和(自身を除く): 2219140720

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 127, 208, 254, 508, 1016, 1651, 2032, 3302, 6604, 13208, 26416, 76163, 152326, 304652, 609304, 990119, 1218608, 1980238, 3960476, 7920952, 9672701, 15841904, 19345402, 38690804, 77381608, 125745113, 154763216, 251490226, 502980452, 1005960904, 2011921808]

約数ペア:

[(1, 2011921808), (2, 1005960904), (4, 502980452), (8, 251490226), (13, 154763216), (16, 125745113), (26, 77381608), (52, 38690804), (104, 19345402), (127, 15841904), (208, 9672701), (254, 7920952), (508, 3960476), (1016, 1980238), (1651, 1218608), (2032, 990119), (3302, 609304), (6604, 304652), (13208, 152326), (26416, 76163)]