217558642912

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{855937}}^1$

素因数の和:856020

約数の個数: 72

約数和(自身を含む): 473669241696

約数和(自身を除く): 256110598784

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 94, 104, 169, 188, 208, 338, 376, 416, 611, 676, 752, 1222, 1352, 1504, 2444, 2704, 4888, 5408, 7943, 9776, 15886, 19552, 31772, 63544, 127088, 254176, 855937, 1711874, 3423748, 6847496, 11127181, 13694992, 22254362, 27389984, 40229039, 44508724, 80458078, 89017448, 144653353, 160916156, 178034896, 289306706, 321832312, 356069792, 522977507, 578613412, 643664624, 1045955014, 1157226824, 1287329248, 2091910028, 2314453648, 4183820056, 4628907296, 6798707591, 8367640112, 13597415182, 16735280224, 27194830364, 54389660728, 108779321456, 217558642912]

約数ペア:

[(1, 217558642912), (2, 108779321456), (4, 54389660728), (8, 27194830364), (13, 16735280224), (16, 13597415182), (26, 8367640112), (32, 6798707591), (47, 4628907296), (52, 4183820056), (94, 2314453648), (104, 2091910028), (169, 1287329248), (188, 1157226824), (208, 1045955014), (338, 643664624), (376, 578613412), (416, 522977507), (611, 356069792), (676, 321832312), (752, 289306706), (1222, 178034896), (1352, 160916156), (1504, 144653353), (2444, 89017448), (2704, 80458078), (4888, 44508724), (5408, 40229039), (7943, 27389984), (9776, 22254362), (15886, 13694992), (19552, 11127181), (31772, 6847496), (63544, 3423748), (127088, 1711874), (254176, 855937)]