81400384

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{431}}^1$

素因数の和:683

約数の個数: 56

約数和(自身を含む): 175125888

約数和(自身を除く): 93725504

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 227, 416, 431, 454, 832, 862, 908, 1724, 1816, 2951, 3448, 3632, 5603, 5902, 6896, 7264, 11206, 11804, 13792, 14528, 22412, 23608, 27584, 44824, 47216, 89648, 94432, 97837, 179296, 188864, 195674, 358592, 391348, 782696, 1271881, 1565392, 2543762, 3130784, 5087524, 6261568, 10175048, 20350096, 40700192, 81400384]

約数ペア:

[(1, 81400384), (2, 40700192), (4, 20350096), (8, 10175048), (13, 6261568), (16, 5087524), (26, 3130784), (32, 2543762), (52, 1565392), (64, 1271881), (104, 782696), (208, 391348), (227, 358592), (416, 195674), (431, 188864), (454, 179296), (832, 97837), (862, 94432), (908, 89648), (1724, 47216), (1816, 44824), (2951, 27584), (3448, 23608), (3632, 22412), (5603, 14528), (5902, 13792), (6896, 11804), (7264, 11206)]