81612902

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{1123}}^1$

素因数の和:1340

約数の個数: 32

約数和(自身を含む): 145670400

約数和(自身を除く): 64057498

約数列:

[1, 2, 7, 14, 29, 58, 179, 203, 358, 406, 1123, 1253, 2246, 2506, 5191, 7861, 10382, 15722, 32567, 36337, 65134, 72674, 201017, 227969, 402034, 455938, 1407119, 2814238, 5829493, 11658986, 40806451, 81612902]

約数ペア:

[(1, 81612902), (2, 40806451), (7, 11658986), (14, 5829493), (29, 2814238), (58, 1407119), (179, 455938), (203, 402034), (358, 227969), (406, 201017), (1123, 72674), (1253, 65134), (2246, 36337), (2506, 32567), (5191, 15722), (7861, 10382)]