661862404

素因数分解:

$2^2\times 7^3\times {\mathrm{482407}}^1$

素因数の和:482432

約数の個数: 24

約数和(自身を含む): 1350742400

約数和(自身を除く): 688879996

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 482407, 964814, 1929628, 3376849, 6753698, 13507396, 23637943, 47275886, 94551772, 165465601, 330931202, 661862404]

約数ペア:

[(1, 661862404), (2, 330931202), (4, 165465601), (7, 94551772), (14, 47275886), (28, 23637943), (49, 13507396), (98, 6753698), (196, 3376849), (343, 1929628), (686, 964814), (1372, 482407)]