13237890281

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{43207}}^1$

素因数の和:43421

約数の個数: 32

約数和(自身を含む): 17321914368

約数和(自身を除く): 4084024087

約数列:

[1, 7, 11, 23, 77, 161, 173, 253, 1211, 1771, 1903, 3979, 13321, 27853, 43207, 43769, 302449, 306383, 475277, 993761, 3326939, 6956327, 7474811, 10931371, 52323677, 76519597, 82222921, 171920653, 575560447, 1203444571, 1891127183, 13237890281]

約数ペア:

[(1, 13237890281), (7, 1891127183), (11, 1203444571), (23, 575560447), (77, 171920653), (161, 82222921), (173, 76519597), (253, 52323677), (1211, 10931371), (1771, 7474811), (1903, 6956327), (3979, 3326939), (13321, 993761), (27853, 475277), (43207, 306383), (43769, 302449)]