199440395

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{17863}}^1$

素因数の和:17915

約数の個数: 32

約数和(自身を含む): 308689920

約数和(自身を除く): 109249525

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 145, 203, 319, 385, 1015, 1595, 2233, 11165, 17863, 89315, 125041, 196493, 518027, 625205, 982465, 1375451, 2590135, 3626189, 5698297, 6877255, 18130945, 28491485, 39888079, 199440395]

約数ペア:

[(1, 199440395), (5, 39888079), (7, 28491485), (11, 18130945), (29, 6877255), (35, 5698297), (55, 3626189), (77, 2590135), (145, 1375451), (203, 982465), (319, 625205), (385, 518027), (1015, 196493), (1595, 125041), (2233, 89315), (11165, 17863)]