381779456

素因数分解:

$2^9\times {\mathrm{43}}^1\times {\mathrm{17341}}^1$

素因数の和:17402

約数の個数: 40

約数和(自身を含む): 780598104

約数和(自身を除く): 398818648

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 512, 688, 1376, 2752, 5504, 11008, 17341, 22016, 34682, 69364, 138728, 277456, 554912, 745663, 1109824, 1491326, 2219648, 2982652, 4439296, 5965304, 8878592, 11930608, 23861216, 47722432, 95444864, 190889728, 381779456]

約数ペア:

[(1, 381779456), (2, 190889728), (4, 95444864), (8, 47722432), (16, 23861216), (32, 11930608), (43, 8878592), (64, 5965304), (86, 4439296), (128, 2982652), (172, 2219648), (256, 1491326), (344, 1109824), (512, 745663), (688, 554912), (1376, 277456), (2752, 138728), (5504, 69364), (11008, 34682), (17341, 22016)]