644323568

素因数分解:

$2^4\times 7^1\times {\mathrm{769}}^1\times {\mathrm{7481}}^1$

素因数の和:8265

約数の個数: 40

約数和(自身を含む): 1428762720

約数和(自身を除く): 784439152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 769, 1538, 3076, 5383, 6152, 7481, 10766, 12304, 14962, 21532, 29924, 43064, 52367, 59848, 86128, 104734, 119696, 209468, 418936, 837872, 5752889, 11505778, 23011556, 40270223, 46023112, 80540446, 92046224, 161080892, 322161784, 644323568]

約数ペア:

[(1, 644323568), (2, 322161784), (4, 161080892), (7, 92046224), (8, 80540446), (14, 46023112), (16, 40270223), (28, 23011556), (56, 11505778), (112, 5752889), (769, 837872), (1538, 418936), (3076, 209468), (5383, 119696), (6152, 104734), (7481, 86128), (10766, 59848), (12304, 52367), (14962, 43064), (21532, 29924)]