81643648

素因数分解:

$2^7\times {\mathrm{637841}}^1$

素因数の和:637855

約数の個数: 16

約数和(自身を含む): 162649710

約数和(自身を除く): 81006062

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 637841, 1275682, 2551364, 5102728, 10205456, 20410912, 40821824, 81643648]

約数ペア:

[(1, 81643648), (2, 40821824), (4, 20410912), (8, 10205456), (16, 5102728), (32, 2551364), (64, 1275682), (128, 637841)]