2178764744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{20887}}^1$

素因数の和:20982

約数の個数: 64

約数和(自身を含む): 4737398400

約数和(自身を除く): 2558633656

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 59, 68, 104, 118, 136, 221, 236, 442, 472, 767, 884, 1003, 1534, 1768, 2006, 3068, 4012, 6136, 8024, 13039, 20887, 26078, 41774, 52156, 83548, 104312, 167096, 271531, 355079, 543062, 710158, 1086124, 1232333, 1420316, 2172248, 2464666, 2840632, 4616027, 4929332, 9232054, 9858664, 16020329, 18464108, 20949661, 32040658, 36928216, 41899322, 64081316, 83798644, 128162632, 167597288, 272345593, 544691186, 1089382372, 2178764744]

約数ペア:

[(1, 2178764744), (2, 1089382372), (4, 544691186), (8, 272345593), (13, 167597288), (17, 128162632), (26, 83798644), (34, 64081316), (52, 41899322), (59, 36928216), (68, 32040658), (104, 20949661), (118, 18464108), (136, 16020329), (221, 9858664), (236, 9232054), (442, 4929332), (472, 4616027), (767, 2840632), (884, 2464666), (1003, 2172248), (1534, 1420316), (1768, 1232333), (2006, 1086124), (3068, 710158), (4012, 543062), (6136, 355079), (8024, 271531), (13039, 167096), (20887, 104312), (26078, 83548), (41774, 52156)]