221520292

素因数分解:

$2^2\times 7^1\times {\mathrm{619}}^1\times {\mathrm{12781}}^1$

素因数の和:13411

約数の個数: 24

約数和(自身を含む): 443791040

約数和(自身を除く): 222270748

約数列:

[1, 2, 4, 7, 14, 28, 619, 1238, 2476, 4333, 8666, 12781, 17332, 25562, 51124, 89467, 178934, 357868, 7911439, 15822878, 31645756, 55380073, 110760146, 221520292]

約数ペア:

[(1, 221520292), (2, 110760146), (4, 55380073), (7, 31645756), (14, 15822878), (28, 7911439), (619, 357868), (1238, 178934), (2476, 89467), (4333, 51124), (8666, 25562), (12781, 17332)]