25316473

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 32754176

約数和(自身を除く): 7437703

約数列:

[1, 7, 13, 37, 73, 91, 103, 259, 481, 511, 721, 949, 1339, 2701, 3367, 3811, 6643, 7519, 9373, 18907, 26677, 35113, 49543, 52633, 97747, 245791, 278203, 346801, 684229, 1947421, 3616639, 25316473]

約数ペア:

[(1, 25316473), (7, 3616639), (13, 1947421), (37, 684229), (73, 346801), (91, 278203), (103, 245791), (259, 97747), (481, 52633), (511, 49543), (721, 35113), (949, 26677), (1339, 18907), (2701, 9373), (3367, 7519), (3811, 6643)]