647966128

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{764111}}^1$

素因数の和:764172

約数の個数: 20

約数和(自身を含む): 1279123488

約数和(自身を除く): 631157360

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 764111, 1528222, 3056444, 6112888, 12225776, 40497883, 80995766, 161991532, 323983064, 647966128]

約数ペア:

[(1, 647966128), (2, 323983064), (4, 161991532), (8, 80995766), (16, 40497883), (53, 12225776), (106, 6112888), (212, 3056444), (424, 1528222), (848, 764111)]