645373295896

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1093}}^1\times {\mathrm{340127}}^1$

素因数の和:341264

約数の個数: 64

約数和(自身を含む): 1428864122880

約数和(自身を除く): 783490826984

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1093, 1736, 2186, 4372, 7651, 8744, 15302, 30604, 33883, 61208, 67766, 135532, 237181, 271064, 340127, 474362, 680254, 948724, 1360508, 1897448, 2380889, 2721016, 4761778, 9523556, 10543937, 19047112, 21087874, 42175748, 73807559, 84351496, 147615118, 295230236, 371758811, 590460472, 743517622, 1487035244, 2602311677, 2974070488, 5204623354, 10409246708, 11524523141, 20818493416, 23049046282, 46098092564, 80671661987, 92196185128, 161343323974, 322686647948, 645373295896]

約数ペア:

[(1, 645373295896), (2, 322686647948), (4, 161343323974), (7, 92196185128), (8, 80671661987), (14, 46098092564), (28, 23049046282), (31, 20818493416), (56, 11524523141), (62, 10409246708), (124, 5204623354), (217, 2974070488), (248, 2602311677), (434, 1487035244), (868, 743517622), (1093, 590460472), (1736, 371758811), (2186, 295230236), (4372, 147615118), (7651, 84351496), (8744, 73807559), (15302, 42175748), (30604, 21087874), (33883, 19047112), (61208, 10543937), (67766, 9523556), (135532, 4761778), (237181, 2721016), (271064, 2380889), (340127, 1897448), (474362, 1360508), (680254, 948724)]