55921285

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 79706880

約数和(自身を除く): 23785595

約数列:

[1, 5, 7, 35, 43, 73, 215, 301, 365, 509, 511, 1505, 2545, 2555, 3139, 3563, 15695, 17815, 21887, 21973, 37157, 109435, 109865, 153209, 185785, 260099, 766045, 1300495, 1597751, 7988755, 11184257, 55921285]

約数ペア:

[(1, 55921285), (5, 11184257), (7, 7988755), (35, 1597751), (43, 1300495), (73, 766045), (215, 260099), (301, 185785), (365, 153209), (509, 109865), (511, 109435), (1505, 37157), (2545, 21973), (2555, 21887), (3139, 17815), (3563, 15695)]