20161100218

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1\times {\mathrm{991}}^1$

素因数の和:1379

約数の個数: 64

約数和(自身を含む): 35613720576

約数和(自身を除く): 15452620358

約数列:

[1, 2, 7, 14, 71, 97, 142, 194, 211, 422, 497, 679, 991, 994, 1358, 1477, 1982, 2954, 6887, 6937, 13774, 13874, 14981, 20467, 29962, 40934, 48209, 70361, 96127, 96418, 104867, 140722, 143269, 192254, 209101, 209734, 286538, 418202, 492527, 672889, 985054, 1345778, 1453157, 1463707, 2906314, 2927414, 6825017, 10172099, 13650034, 14846171, 20282797, 20344198, 29692342, 40565594, 47775119, 95550238, 103923197, 141979579, 207846394, 283959158, 1440078587, 2880157174, 10080550109, 20161100218]

約数ペア:

[(1, 20161100218), (2, 10080550109), (7, 2880157174), (14, 1440078587), (71, 283959158), (97, 207846394), (142, 141979579), (194, 103923197), (211, 95550238), (422, 47775119), (497, 40565594), (679, 29692342), (991, 20344198), (994, 20282797), (1358, 14846171), (1477, 13650034), (1982, 10172099), (2954, 6825017), (6887, 2927414), (6937, 2906314), (13774, 1463707), (13874, 1453157), (14981, 1345778), (20467, 985054), (29962, 672889), (40934, 492527), (48209, 418202), (70361, 286538), (96127, 209734), (96418, 209101), (104867, 192254), (140722, 143269)]