28737956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 63504000

約数和(自身を除く): 34766044

約数列:

[1, 2, 4, 13, 17, 19, 26, 29, 34, 38, 52, 58, 59, 68, 76, 116, 118, 221, 236, 247, 323, 377, 442, 493, 494, 551, 646, 754, 767, 884, 986, 988, 1003, 1102, 1121, 1292, 1508, 1534, 1711, 1972, 2006, 2204, 2242, 3068, 3422, 4012, 4199, 4484, 6409, 6844, 7163, 8398, 9367, 12818, 13039, 14326, 14573, 16796, 18734, 19057, 22243, 25636, 26078, 28652, 29087, 29146, 32509, 37468, 38114, 44486, 52156, 58174, 58292, 65018, 76228, 88972, 116348, 121771, 130036, 243542, 247741, 378131, 422617, 487084, 495482, 552653, 756262, 845234, 990964, 1105306, 1512524, 1690468, 2210612, 7184489, 14368978, 28737956]

約数ペア:

[(1, 28737956), (2, 14368978), (4, 7184489), (13, 2210612), (17, 1690468), (19, 1512524), (26, 1105306), (29, 990964), (34, 845234), (38, 756262), (52, 552653), (58, 495482), (59, 487084), (68, 422617), (76, 378131), (116, 247741), (118, 243542), (221, 130036), (236, 121771), (247, 116348), (323, 88972), (377, 76228), (442, 65018), (493, 58292), (494, 58174), (551, 52156), (646, 44486), (754, 38114), (767, 37468), (884, 32509), (986, 29146), (988, 29087), (1003, 28652), (1102, 26078), (1121, 25636), (1292, 22243), (1508, 19057), (1534, 18734), (1711, 16796), (1972, 14573), (2006, 14326), (2204, 13039), (2242, 12818), (3068, 9367), (3422, 8398), (4012, 7163), (4199, 6844), (4484, 6409)]