28285452

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3181}}^1$

素因数の和:3223

約数の個数: 72

約数和(自身を含む): 81077360

約数和(自身を除く): 52791908

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 3181, 4446, 6362, 8892, 9543, 12724, 19086, 28629, 38172, 41353, 57258, 60439, 82706, 114516, 120878, 124059, 165412, 181317, 241756, 248118, 362634, 372177, 496236, 543951, 725268, 744354, 785707, 1087902, 1488708, 1571414, 2175804, 2357121, 3142828, 4714242, 7071363, 9428484, 14142726, 28285452]

約数ペア:

[(1, 28285452), (2, 14142726), (3, 9428484), (4, 7071363), (6, 4714242), (9, 3142828), (12, 2357121), (13, 2175804), (18, 1571414), (19, 1488708), (26, 1087902), (36, 785707), (38, 744354), (39, 725268), (52, 543951), (57, 496236), (76, 372177), (78, 362634), (114, 248118), (117, 241756), (156, 181317), (171, 165412), (228, 124059), (234, 120878), (247, 114516), (342, 82706), (468, 60439), (494, 57258), (684, 41353), (741, 38172), (988, 28629), (1482, 19086), (2223, 12724), (2964, 9543), (3181, 8892), (4446, 6362)]