51993018

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1$

素因数の和:289

約数の個数: 144

約数和(自身を含む): 149812416

約数和(自身を除く): 97819398

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 23, 33, 42, 46, 49, 63, 66, 69, 77, 98, 99, 126, 138, 147, 154, 161, 198, 207, 231, 233, 253, 294, 322, 414, 441, 462, 466, 483, 506, 539, 693, 699, 759, 882, 966, 1078, 1127, 1386, 1398, 1449, 1518, 1617, 1631, 1771, 2097, 2254, 2277, 2563, 2898, 3234, 3262, 3381, 3542, 4194, 4554, 4851, 4893, 5126, 5313, 5359, 6762, 7689, 9702, 9786, 10143, 10626, 10718, 11417, 12397, 14679, 15378, 15939, 16077, 17941, 20286, 22834, 23067, 24794, 29358, 31878, 32154, 34251, 35882, 37191, 37513, 46134, 48231, 53823, 58949, 68502, 74382, 75026, 96462, 102753, 107646, 111573, 112539, 117898, 125587, 161469, 176847, 205506, 223146, 225078, 251174, 262591, 322938, 337617, 353694, 376761, 412643, 525182, 530541, 675234, 753522, 787773, 825286, 1061082, 1130283, 1237929, 1575546, 2260566, 2363319, 2475858, 2888501, 3713787, 4726638, 5777002, 7427574, 8665503, 17331006, 25996509, 51993018]

約数ペア:

[(1, 51993018), (2, 25996509), (3, 17331006), (6, 8665503), (7, 7427574), (9, 5777002), (11, 4726638), (14, 3713787), (18, 2888501), (21, 2475858), (22, 2363319), (23, 2260566), (33, 1575546), (42, 1237929), (46, 1130283), (49, 1061082), (63, 825286), (66, 787773), (69, 753522), (77, 675234), (98, 530541), (99, 525182), (126, 412643), (138, 376761), (147, 353694), (154, 337617), (161, 322938), (198, 262591), (207, 251174), (231, 225078), (233, 223146), (253, 205506), (294, 176847), (322, 161469), (414, 125587), (441, 117898), (462, 112539), (466, 111573), (483, 107646), (506, 102753), (539, 96462), (693, 75026), (699, 74382), (759, 68502), (882, 58949), (966, 53823), (1078, 48231), (1127, 46134), (1386, 37513), (1398, 37191), (1449, 35882), (1518, 34251), (1617, 32154), (1631, 31878), (1771, 29358), (2097, 24794), (2254, 23067), (2277, 22834), (2563, 20286), (2898, 17941), (3234, 16077), (3262, 15939), (3381, 15378), (3542, 14679), (4194, 12397), (4554, 11417), (4851, 10718), (4893, 10626), (5126, 10143), (5313, 9786), (5359, 9702), (6762, 7689)]