81444430064

素因数分解:

$2^4\times {\mathrm{179}}^1\times {\mathrm{28437301}}^1$

素因数の和:28437488

約数の個数: 20

約数和(自身を含む): 158680145160

約数和(自身を除く): 77235715096

約数列:

[1, 2, 4, 8, 16, 179, 358, 716, 1432, 2864, 28437301, 56874602, 113749204, 227498408, 454996816, 5090276879, 10180553758, 20361107516, 40722215032, 81444430064]

約数ペア:

[(1, 81444430064), (2, 40722215032), (4, 20361107516), (8, 10180553758), (16, 5090276879), (179, 454996816), (358, 227498408), (716, 113749204), (1432, 56874602), (2864, 28437301)]