205651615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1381}}^1$

素因数の和:1507

約数の個数: 32

約数和(自身を含む): 278611200

約数和(自身を除く): 72959585

約数列:

[1, 5, 13, 29, 65, 79, 145, 377, 395, 1027, 1381, 1885, 2291, 5135, 6905, 11455, 17953, 29783, 40049, 89765, 109099, 148915, 200245, 520637, 545495, 1418287, 2603185, 3163871, 7091435, 15819355, 41130323, 205651615]

約数ペア:

[(1, 205651615), (5, 41130323), (13, 15819355), (29, 7091435), (65, 3163871), (79, 2603185), (145, 1418287), (377, 545495), (395, 520637), (1027, 200245), (1381, 148915), (1885, 109099), (2291, 89765), (5135, 40049), (6905, 29783), (11455, 17953)]