87290203

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:188

約数の個数: 64

約数和(自身を含む): 126443520

約数和(自身を除く): 39153317

約数列:

[1, 7, 11, 13, 29, 31, 77, 91, 97, 143, 203, 217, 319, 341, 377, 403, 679, 899, 1001, 1067, 1261, 2233, 2387, 2639, 2813, 2821, 3007, 4147, 4433, 6293, 7469, 8827, 9889, 11687, 13871, 19691, 21049, 29029, 30943, 31031, 33077, 36569, 39091, 69223, 81809, 87203, 97097, 128557, 216601, 231539, 255983, 273637, 402259, 430001, 610421, 899899, 959233, 1133639, 2815813, 3010007, 6714631, 7935473, 12470029, 87290203]

約数ペア:

[(1, 87290203), (7, 12470029), (11, 7935473), (13, 6714631), (29, 3010007), (31, 2815813), (77, 1133639), (91, 959233), (97, 899899), (143, 610421), (203, 430001), (217, 402259), (319, 273637), (341, 255983), (377, 231539), (403, 216601), (679, 128557), (899, 97097), (1001, 87203), (1067, 81809), (1261, 69223), (2233, 39091), (2387, 36569), (2639, 33077), (2813, 31031), (2821, 30943), (3007, 29029), (4147, 21049), (4433, 19691), (6293, 13871), (7469, 11687), (8827, 9889)]