661345310

素因数分解:

$2^1\times 5^1\times {\mathrm{1619}}^1\times {\mathrm{40849}}^1$

素因数の和:42475

約数の個数: 16

約数和(自身を含む): 1191186000

約数和(自身を除く): 529840690

約数列:

[1, 2, 5, 10, 1619, 3238, 8095, 16190, 40849, 81698, 204245, 408490, 66134531, 132269062, 330672655, 661345310]

約数ペア:

[(1, 661345310), (2, 330672655), (5, 132269062), (10, 66134531), (1619, 408490), (3238, 204245), (8095, 81698), (16190, 40849)]