208059005

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{383}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 334430208

約数和(自身を除く): 126371203

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 83, 85, 119, 187, 383, 385, 415, 581, 595, 913, 935, 1309, 1411, 1915, 2681, 2905, 4213, 4565, 6391, 6511, 6545, 7055, 9877, 13405, 15521, 21065, 29491, 31789, 31955, 32555, 45577, 49385, 71621, 77605, 108647, 147455, 158945, 222523, 227885, 349679, 358105, 501347, 540413, 543235, 1112615, 1748395, 2447753, 2506735, 2702065, 3782891, 5944543, 12238765, 18914455, 29722715, 41611801, 208059005]

約数ペア:

[(1, 208059005), (5, 41611801), (7, 29722715), (11, 18914455), (17, 12238765), (35, 5944543), (55, 3782891), (77, 2702065), (83, 2506735), (85, 2447753), (119, 1748395), (187, 1112615), (383, 543235), (385, 540413), (415, 501347), (581, 358105), (595, 349679), (913, 227885), (935, 222523), (1309, 158945), (1411, 147455), (1915, 108647), (2681, 77605), (2905, 71621), (4213, 49385), (4565, 45577), (6391, 32555), (6511, 31955), (6545, 31789), (7055, 29491), (9877, 21065), (13405, 15521)]