28376172

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{547}}^1$

素因数の和:699

約数の個数: 72

約数和(自身を含む): 78990912

約数和(自身を除く): 50614740

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 131, 132, 198, 262, 393, 396, 524, 547, 786, 1094, 1179, 1441, 1572, 1641, 2188, 2358, 2882, 3282, 4323, 4716, 4923, 5764, 6017, 6564, 8646, 9846, 12034, 12969, 17292, 18051, 19692, 24068, 25938, 36102, 51876, 54153, 71657, 72204, 108306, 143314, 214971, 216612, 286628, 429942, 644913, 788227, 859884, 1289826, 1576454, 2364681, 2579652, 3152908, 4729362, 7094043, 9458724, 14188086, 28376172]

約数ペア:

[(1, 28376172), (2, 14188086), (3, 9458724), (4, 7094043), (6, 4729362), (9, 3152908), (11, 2579652), (12, 2364681), (18, 1576454), (22, 1289826), (33, 859884), (36, 788227), (44, 644913), (66, 429942), (99, 286628), (131, 216612), (132, 214971), (198, 143314), (262, 108306), (393, 72204), (396, 71657), (524, 54153), (547, 51876), (786, 36102), (1094, 25938), (1179, 24068), (1441, 19692), (1572, 18051), (1641, 17292), (2188, 12969), (2358, 12034), (2882, 9846), (3282, 8646), (4323, 6564), (4716, 6017), (4923, 5764)]