221566007216

素因数分解:

$2^4\times {\mathrm{4091}}^1\times {\mathrm{3384961}}^1$

素因数の和:3389060

約数の個数: 20

約数和(自身を含む): 429389199624

約数和(自身を除く): 207823192408

約数列:

[1, 2, 4, 8, 16, 4091, 8182, 16364, 32728, 65456, 3384961, 6769922, 13539844, 27079688, 54159376, 13847875451, 27695750902, 55391501804, 110783003608, 221566007216]

約数ペア:

[(1, 221566007216), (2, 110783003608), (4, 55391501804), (8, 27695750902), (16, 13847875451), (4091, 54159376), (8182, 27079688), (16364, 13539844), (32728, 6769922), (65456, 3384961)]