388675588

素因数分解:

$2^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{77549}}^1$

素因数の和:77739

約数の個数: 24

約数和(自身を含む): 781704000

約数和(自身を除く): 393028412

約数列:

[1, 2, 4, 7, 14, 28, 179, 358, 716, 1253, 2506, 5012, 77549, 155098, 310196, 542843, 1085686, 2171372, 13881271, 27762542, 55525084, 97168897, 194337794, 388675588]

約数ペア:

[(1, 388675588), (2, 194337794), (4, 97168897), (7, 55525084), (14, 27762542), (28, 13881271), (179, 2171372), (358, 1085686), (716, 542843), (1253, 310196), (2506, 155098), (5012, 77549)]