646621136

素因数分解:

$2^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{52967}}^1$

素因数の和:53091

約数の個数: 40

約数和(自身を含む): 1444967040

約数和(自身を除く): 798345904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 109, 112, 218, 436, 763, 872, 1526, 1744, 3052, 6104, 12208, 52967, 105934, 211868, 370769, 423736, 741538, 847472, 1483076, 2966152, 5773403, 5932304, 11546806, 23093612, 40413821, 46187224, 80827642, 92374448, 161655284, 323310568, 646621136]

約数ペア:

[(1, 646621136), (2, 323310568), (4, 161655284), (7, 92374448), (8, 80827642), (14, 46187224), (16, 40413821), (28, 23093612), (56, 11546806), (109, 5932304), (112, 5773403), (218, 2966152), (436, 1483076), (763, 847472), (872, 741538), (1526, 423736), (1744, 370769), (3052, 211868), (6104, 105934), (12208, 52967)]