2561780459536

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1\times {\mathrm{303337}}^1$

素因数の和:303932

約数の個数: 80

約数和(自身を含む): 5352083538480

約数和(自身を除く): 2790303078944

約数列:

[1, 2, 4, 8, 16, 17, 34, 61, 68, 122, 136, 244, 272, 488, 509, 976, 1018, 1037, 2036, 2074, 4072, 4148, 8144, 8296, 8653, 16592, 17306, 31049, 34612, 62098, 69224, 124196, 138448, 248392, 303337, 496784, 527833, 606674, 1055666, 1213348, 2111332, 2426696, 4222664, 4853392, 5156729, 8445328, 10313458, 18503557, 20626916, 37007114, 41253832, 74014228, 82507664, 148028456, 154398533, 296056912, 308797066, 314560469, 617594132, 629120938, 1235188264, 1258241876, 2470376528, 2516483752, 2624775061, 5032967504, 5249550122, 9418310513, 10499100244, 18836621026, 20998200488, 37673242052, 41996400976, 75346484104, 150692968208, 160111278721, 320222557442, 640445114884, 1280890229768, 2561780459536]

約数ペア:

[(1, 2561780459536), (2, 1280890229768), (4, 640445114884), (8, 320222557442), (16, 160111278721), (17, 150692968208), (34, 75346484104), (61, 41996400976), (68, 37673242052), (122, 20998200488), (136, 18836621026), (244, 10499100244), (272, 9418310513), (488, 5249550122), (509, 5032967504), (976, 2624775061), (1018, 2516483752), (1037, 2470376528), (2036, 1258241876), (2074, 1235188264), (4072, 629120938), (4148, 617594132), (8144, 314560469), (8296, 308797066), (8653, 296056912), (16592, 154398533), (17306, 148028456), (31049, 82507664), (34612, 74014228), (62098, 41253832), (69224, 37007114), (124196, 20626916), (138448, 18503557), (248392, 10313458), (303337, 8445328), (496784, 5156729), (527833, 4853392), (606674, 4222664), (1055666, 2426696), (1213348, 2111332)]