65641772

素因数分解:

$2^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 139618080

約数和(自身を除く): 73976308

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 71, 89, 98, 106, 142, 178, 196, 212, 284, 356, 371, 497, 623, 742, 994, 1246, 1484, 1988, 2492, 2597, 3479, 3763, 4361, 4717, 5194, 6319, 6958, 7526, 8722, 9434, 10388, 12638, 13916, 15052, 17444, 18868, 25276, 26341, 33019, 44233, 52682, 66038, 88466, 105364, 132076, 176932, 184387, 231133, 309631, 334907, 368774, 462266, 619262, 669814, 737548, 924532, 1238524, 1339628, 2344349, 4688698, 9377396, 16410443, 32820886, 65641772]

約数ペア:

[(1, 65641772), (2, 32820886), (4, 16410443), (7, 9377396), (14, 4688698), (28, 2344349), (49, 1339628), (53, 1238524), (71, 924532), (89, 737548), (98, 669814), (106, 619262), (142, 462266), (178, 368774), (196, 334907), (212, 309631), (284, 231133), (356, 184387), (371, 176932), (497, 132076), (623, 105364), (742, 88466), (994, 66038), (1246, 52682), (1484, 44233), (1988, 33019), (2492, 26341), (2597, 25276), (3479, 18868), (3763, 17444), (4361, 15052), (4717, 13916), (5194, 12638), (6319, 10388), (6958, 9434), (7526, 8722)]