256161724

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37039}}^1$

素因数の和:37082

約数の個数: 48

約数和(自身を含む): 580787200

約数和(自身を除く): 324625476

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 3458, 6916, 37039, 74078, 148156, 259273, 481507, 518546, 703741, 963014, 1037092, 1407482, 1926028, 2814964, 3370549, 4926187, 6741098, 9148633, 9852374, 13482196, 18297266, 19704748, 36594532, 64040431, 128080862, 256161724]

約数ペア:

[(1, 256161724), (2, 128080862), (4, 64040431), (7, 36594532), (13, 19704748), (14, 18297266), (19, 13482196), (26, 9852374), (28, 9148633), (38, 6741098), (52, 4926187), (76, 3370549), (91, 2814964), (133, 1926028), (182, 1407482), (247, 1037092), (266, 963014), (364, 703741), (494, 518546), (532, 481507), (988, 259273), (1729, 148156), (3458, 74078), (6916, 37039)]