81277616

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{9941}}^1$

素因数の和:10029

約数の個数: 40

約数和(自身を含む): 182455584

約数和(自身を除く): 101177968

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 146, 292, 511, 584, 1022, 1168, 2044, 4088, 8176, 9941, 19882, 39764, 69587, 79528, 139174, 159056, 278348, 556696, 725693, 1113392, 1451386, 2902772, 5079851, 5805544, 10159702, 11611088, 20319404, 40638808, 81277616]

約数ペア:

[(1, 81277616), (2, 40638808), (4, 20319404), (7, 11611088), (8, 10159702), (14, 5805544), (16, 5079851), (28, 2902772), (56, 1451386), (73, 1113392), (112, 725693), (146, 556696), (292, 278348), (511, 159056), (584, 139174), (1022, 79528), (1168, 69587), (2044, 39764), (4088, 19882), (8176, 9941)]