81290447

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{8647}}^1$

素因数の和:8750

約数の個数: 16

約数和(自身を含む): 99624960

約数和(自身を除く): 18334513

約数列:

[1, 7, 17, 79, 119, 553, 1343, 8647, 9401, 60529, 146999, 683113, 1028993, 4781791, 11612921, 81290447]

約数ペア:

[(1, 81290447), (7, 11612921), (17, 4781791), (79, 1028993), (119, 683113), (553, 146999), (1343, 60529), (8647, 9401)]