261728264

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{883}}^1$

素因数の和:1042

約数の個数: 64

約数和(自身を含む): 577075200

約数和(自身を除く): 315346936

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 79, 134, 158, 268, 316, 469, 536, 553, 632, 883, 938, 1106, 1766, 1876, 2212, 3532, 3752, 4424, 5293, 6181, 7064, 10586, 12362, 21172, 24724, 37051, 42344, 49448, 59161, 69757, 74102, 118322, 139514, 148204, 236644, 279028, 296408, 414127, 473288, 488299, 558056, 828254, 976598, 1656508, 1953196, 3313016, 3906392, 4673719, 9347438, 18694876, 32716033, 37389752, 65432066, 130864132, 261728264]

約数ペア:

[(1, 261728264), (2, 130864132), (4, 65432066), (7, 37389752), (8, 32716033), (14, 18694876), (28, 9347438), (56, 4673719), (67, 3906392), (79, 3313016), (134, 1953196), (158, 1656508), (268, 976598), (316, 828254), (469, 558056), (536, 488299), (553, 473288), (632, 414127), (883, 296408), (938, 279028), (1106, 236644), (1766, 148204), (1876, 139514), (2212, 118322), (3532, 74102), (3752, 69757), (4424, 59161), (5293, 49448), (6181, 42344), (7064, 37051), (10586, 24724), (12362, 21172)]