66163580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{472597}}^1$

素因数の和:472613

約数の個数: 24

約数和(自身を含む): 158792928

約数和(自身を除く): 92629348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 472597, 945194, 1890388, 2362985, 3308179, 4725970, 6616358, 9451940, 13232716, 16540895, 33081790, 66163580]

約数ペア:

[(1, 66163580), (2, 33081790), (4, 16540895), (5, 13232716), (7, 9451940), (10, 6616358), (14, 4725970), (20, 3308179), (28, 2362985), (35, 1890388), (70, 945194), (140, 472597)]