442079216

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{642557}}^1$

素因数の和:642608

約数の個数: 20

約数和(自身を含む): 876449112

約数和(自身を除く): 434369896

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 642557, 1285114, 2570228, 5140456, 10280912, 27629951, 55259902, 110519804, 221039608, 442079216]

約数ペア:

[(1, 442079216), (2, 221039608), (4, 110519804), (8, 55259902), (16, 27629951), (43, 10280912), (86, 5140456), (172, 2570228), (344, 1285114), (688, 642557)]