31428208

素因数分解:

$2^4\times 7^2\times {\mathrm{40087}}^1$

素因数の和:40109

約数の個数: 30

約数和(自身を含む): 70835496

約数和(自身を除く): 39407288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 40087, 80174, 160348, 280609, 320696, 561218, 641392, 1122436, 1964263, 2244872, 3928526, 4489744, 7857052, 15714104, 31428208]

約数ペア:

[(1, 31428208), (2, 15714104), (4, 7857052), (7, 4489744), (8, 3928526), (14, 2244872), (16, 1964263), (28, 1122436), (49, 641392), (56, 561218), (98, 320696), (112, 280609), (196, 160348), (392, 80174), (784, 40087)]