378839461

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{19919}}^1$

素因数の和:19969

約数の個数: 32

約数和(自身を含む): 535449600

約数和(自身を除く): 156610139

約数列:

[1, 7, 11, 13, 19, 77, 91, 133, 143, 209, 247, 1001, 1463, 1729, 2717, 19019, 19919, 139433, 219109, 258947, 378461, 1533763, 1812629, 2649227, 2848417, 4163071, 4919993, 19938919, 29141497, 34439951, 54119923, 378839461]

約数ペア:

[(1, 378839461), (7, 54119923), (11, 34439951), (13, 29141497), (19, 19938919), (77, 4919993), (91, 4163071), (133, 2848417), (143, 2649227), (209, 1812629), (247, 1533763), (1001, 378461), (1463, 258947), (1729, 219109), (2717, 139433), (19019, 19919)]