218248465

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{2069}}^1$

素因数の和:2181

約数の個数: 24

約数和(自身を含む): 282157560

約数和(自身を除く): 63909095

約数列:

[1, 5, 17, 73, 85, 289, 365, 1241, 1445, 2069, 6205, 10345, 21097, 35173, 105485, 151037, 175865, 597941, 755185, 2567629, 2989705, 12838145, 43649693, 218248465]

約数ペア:

[(1, 218248465), (5, 43649693), (17, 12838145), (73, 2989705), (85, 2567629), (289, 755185), (365, 597941), (1241, 175865), (1445, 151037), (2069, 105485), (6205, 35173), (10345, 21097)]