261569666865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{651473}}^1$

素因数の和:651594

約数の個数: 64

約数和(自身を含む): 472813770240

約数和(自身を除く): 211244103375

約数列:

[1, 3, 5, 13, 15, 29, 39, 65, 71, 87, 145, 195, 213, 355, 377, 435, 923, 1065, 1131, 1885, 2059, 2769, 4615, 5655, 6177, 10295, 13845, 26767, 30885, 80301, 133835, 401505, 651473, 1954419, 3257365, 8469149, 9772095, 18892717, 25407447, 42345745, 46254583, 56678151, 94463585, 127037235, 138763749, 231272915, 245605321, 283390755, 601309579, 693818745, 736815963, 1228026605, 1341382907, 1803928737, 3006547895, 3684079815, 4024148721, 6706914535, 9019643685, 17437977791, 20120743605, 52313933373, 87189888955, 261569666865]

約数ペア:

[(1, 261569666865), (3, 87189888955), (5, 52313933373), (13, 20120743605), (15, 17437977791), (29, 9019643685), (39, 6706914535), (65, 4024148721), (71, 3684079815), (87, 3006547895), (145, 1803928737), (195, 1341382907), (213, 1228026605), (355, 736815963), (377, 693818745), (435, 601309579), (923, 283390755), (1065, 245605321), (1131, 231272915), (1885, 138763749), (2059, 127037235), (2769, 94463585), (4615, 56678151), (5655, 46254583), (6177, 42345745), (10295, 25407447), (13845, 18892717), (26767, 9772095), (30885, 8469149), (80301, 3257365), (133835, 1954419), (401505, 651473)]