664703519

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 797895360

約数和(自身を除く): 133191841

約数列:

[1, 17, 23, 29, 31, 61, 391, 493, 527, 667, 713, 899, 961, 1037, 1403, 1769, 1891, 11339, 12121, 15283, 16337, 20677, 22103, 23851, 27869, 30073, 32147, 40687, 43493, 54839, 58621, 351509, 375751, 473773, 640987, 691679, 739381, 932263, 996557, 1261297, 1348283, 1700009, 10896779, 21442049, 22920811, 28900153, 39100207, 664703519]

約数ペア:

[(1, 664703519), (17, 39100207), (23, 28900153), (29, 22920811), (31, 21442049), (61, 10896779), (391, 1700009), (493, 1348283), (527, 1261297), (667, 996557), (713, 932263), (899, 739381), (961, 691679), (1037, 640987), (1403, 473773), (1769, 375751), (1891, 351509), (11339, 58621), (12121, 54839), (15283, 43493), (16337, 40687), (20677, 32147), (22103, 30073), (23851, 27869)]