12656215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 18450432

約数和(自身を除く): 5794217

約数列:

[1, 5, 11, 13, 31, 55, 65, 143, 155, 341, 403, 571, 715, 1705, 2015, 2855, 4433, 6281, 7423, 17701, 22165, 31405, 37115, 81653, 88505, 194711, 230113, 408265, 973555, 1150565, 2531243, 12656215]

約数ペア:

[(1, 12656215), (5, 2531243), (11, 1150565), (13, 973555), (31, 408265), (55, 230113), (65, 194711), (143, 88505), (155, 81653), (341, 37115), (403, 31405), (571, 22165), (715, 17701), (1705, 7423), (2015, 6281), (2855, 4433)]