890243746

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3346781}}^1$

素因数の和:3346809

約数の個数: 16

約数和(自身を含む): 1606455360

約数和(自身を除く): 716211614

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 3346781, 6693562, 23427467, 46854934, 63588839, 127177678, 445121873, 890243746]

約数ペア:

[(1, 890243746), (2, 445121873), (7, 127177678), (14, 63588839), (19, 46854934), (38, 23427467), (133, 6693562), (266, 3346781)]