208098989

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{313}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 261167616

約数和(自身を除く): 53068627

約数列:

[1, 7, 17, 37, 119, 151, 259, 313, 629, 1057, 2191, 2567, 4403, 5321, 5587, 11581, 17969, 37247, 39109, 47263, 81067, 94979, 196877, 330841, 664853, 803471, 1378139, 1748731, 5624297, 12241117, 29728427, 208098989]

約数ペア:

[(1, 208098989), (7, 29728427), (17, 12241117), (37, 5624297), (119, 1748731), (151, 1378139), (259, 803471), (313, 664853), (629, 330841), (1057, 196877), (2191, 94979), (2567, 81067), (4403, 47263), (5321, 39109), (5587, 37247), (11581, 17969)]