81117904

素因数分解:

$2^4\times 7^1\times {\mathrm{724267}}^1$

素因数の和:724282

約数の個数: 20

約数和(自身を含む): 179618464

約数和(自身を除く): 98500560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 724267, 1448534, 2897068, 5069869, 5794136, 10139738, 11588272, 20279476, 40558952, 81117904]

約数ペア:

[(1, 81117904), (2, 40558952), (4, 20279476), (7, 11588272), (8, 10139738), (14, 5794136), (16, 5069869), (28, 2897068), (56, 1448534), (112, 724267)]