663989732

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1248101}}^1$

素因数の和:1248131

約数の個数: 24

約数和(自身を含む): 1397874240

約数和(自身を除く): 733884508

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 1248101, 2496202, 4992404, 8736707, 17473414, 23713919, 34946828, 47427838, 94855676, 165997433, 331994866, 663989732]

約数ペア:

[(1, 663989732), (2, 331994866), (4, 165997433), (7, 94855676), (14, 47427838), (19, 34946828), (28, 23713919), (38, 17473414), (76, 8736707), (133, 4992404), (266, 2496202), (532, 1248101)]