2078049281

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:495

約数の個数: 72

約数和(自身を含む): 2873805480

約数和(自身を除く): 795756199

約数列:

[1, 7, 11, 17, 49, 53, 77, 119, 121, 187, 371, 389, 539, 583, 833, 847, 901, 1309, 2057, 2597, 2723, 4081, 4279, 5929, 6307, 6413, 6613, 9163, 9911, 14399, 19061, 20617, 28567, 29953, 44149, 44891, 46291, 47069, 69377, 72743, 100793, 109021, 144319, 209671, 226787, 314237, 324037, 329483, 350489, 485639, 509201, 763147, 800173, 1010233, 1587509, 2306381, 2453423, 2494657, 3564407, 3855379, 5342029, 5601211, 11112563, 17173961, 17462599, 26987653, 39208477, 42409169, 122238193, 188913571, 296864183, 2078049281]

約数ペア:

[(1, 2078049281), (7, 296864183), (11, 188913571), (17, 122238193), (49, 42409169), (53, 39208477), (77, 26987653), (119, 17462599), (121, 17173961), (187, 11112563), (371, 5601211), (389, 5342029), (539, 3855379), (583, 3564407), (833, 2494657), (847, 2453423), (901, 2306381), (1309, 1587509), (2057, 1010233), (2597, 800173), (2723, 763147), (4081, 509201), (4279, 485639), (5929, 350489), (6307, 329483), (6413, 324037), (6613, 314237), (9163, 226787), (9911, 209671), (14399, 144319), (19061, 109021), (20617, 100793), (28567, 72743), (29953, 69377), (44149, 47069), (44891, 46291)]