72687428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{9127}}^1$

素因数の和:9323

約数の個数: 24

約数和(自身を含む): 139548864

約数和(自身を除く): 66861436

約数列:

[1, 2, 4, 11, 22, 44, 181, 362, 724, 1991, 3982, 7964, 9127, 18254, 36508, 100397, 200794, 401588, 1651987, 3303974, 6607948, 18171857, 36343714, 72687428]

約数ペア:

[(1, 72687428), (2, 36343714), (4, 18171857), (11, 6607948), (22, 3303974), (44, 1651987), (181, 401588), (362, 200794), (724, 100397), (1991, 36508), (3982, 18254), (7964, 9127)]