128328128

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{105533}}^1$

素因数の和:105564

約数の個数: 28

約数和(自身を含む): 268056360

約数和(自身を除く): 139728232

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 105533, 211066, 422132, 844264, 1688528, 2005127, 3377056, 4010254, 6754112, 8020508, 16041016, 32082032, 64164064, 128328128]

約数ペア:

[(1, 128328128), (2, 64164064), (4, 32082032), (8, 16041016), (16, 8020508), (19, 6754112), (32, 4010254), (38, 3377056), (64, 2005127), (76, 1688528), (152, 844264), (304, 422132), (608, 211066), (1216, 105533)]