2138779783

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2141}}^1$

素因数の和:2240

約数の個数: 48

約数和(自身を含む): 2783743200

約数和(自身を除く): 644963417

約数列:

[1, 7, 19, 29, 37, 49, 133, 203, 259, 551, 703, 931, 1073, 1421, 1813, 2141, 3857, 4921, 7511, 14987, 20387, 26999, 34447, 40679, 52577, 62089, 79217, 104909, 142709, 284753, 434623, 554519, 998963, 1179691, 1505123, 1993271, 2297293, 3042361, 3881633, 8257837, 10535861, 16081051, 43648567, 57804859, 73751027, 112567357, 305539969, 2138779783]

約数ペア:

[(1, 2138779783), (7, 305539969), (19, 112567357), (29, 73751027), (37, 57804859), (49, 43648567), (133, 16081051), (203, 10535861), (259, 8257837), (551, 3881633), (703, 3042361), (931, 2297293), (1073, 1993271), (1421, 1505123), (1813, 1179691), (2141, 998963), (3857, 554519), (4921, 434623), (7511, 284753), (14987, 142709), (20387, 104909), (26999, 79217), (34447, 62089), (40679, 52577)]