68903989

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{1993}}^1$

素因数の和:2460

約数の個数: 16

約数和(自身を含む): 86140800

約数和(自身を除く): 17236811

約数列:

[1, 7, 11, 77, 449, 1993, 3143, 4939, 13951, 21923, 34573, 153461, 894857, 6263999, 9843427, 68903989]

約数ペア:

[(1, 68903989), (7, 9843427), (11, 6263999), (77, 894857), (449, 153461), (1993, 34573), (3143, 21923), (4939, 13951)]