66889970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{2707}}^1$

素因数の和:3074

約数の個数: 32

約数和(自身を含む): 138043008

約数和(自身を除く): 71153038

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 353, 706, 1765, 2471, 2707, 3530, 4942, 5414, 12355, 13535, 18949, 24710, 27070, 37898, 94745, 189490, 955571, 1911142, 4777855, 6688997, 9555710, 13377994, 33444985, 66889970]

約数ペア:

[(1, 66889970), (2, 33444985), (5, 13377994), (7, 9555710), (10, 6688997), (14, 4777855), (35, 1911142), (70, 955571), (353, 189490), (706, 94745), (1765, 37898), (2471, 27070), (2707, 24710), (3530, 18949), (4942, 13535), (5414, 12355)]