81378766

素因数分解:

$2^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{34807}}^1$

素因数の和:34983

約数の個数: 16

約数和(自身を含む): 140345856

約数和(自身を除く): 58967090

約数列:

[1, 2, 7, 14, 167, 334, 1169, 2338, 34807, 69614, 243649, 487298, 5812769, 11625538, 40689383, 81378766]

約数ペア:

[(1, 81378766), (2, 40689383), (7, 11625538), (14, 5812769), (167, 487298), (334, 243649), (1169, 69614), (2338, 34807)]