256993712

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{434111}}^1$

素因数の和:434156

約数の個数: 20

約数和(自身を含む): 511383936

約数和(自身を除く): 254390224

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 434111, 868222, 1736444, 3472888, 6945776, 16062107, 32124214, 64248428, 128496856, 256993712]

約数ペア:

[(1, 256993712), (2, 128496856), (4, 64248428), (8, 32124214), (16, 16062107), (37, 6945776), (74, 3472888), (148, 1736444), (296, 868222), (592, 434111)]