78201986

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{1217}}^1$

素因数の和:1346

約数の個数: 24

約数和(自身を含む): 125295660

約数和(自身を除く): 47093674

約数列:

[1, 2, 19, 38, 89, 178, 361, 722, 1217, 1691, 2434, 3382, 23123, 32129, 46246, 64258, 108313, 216626, 439337, 878674, 2057947, 4115894, 39100993, 78201986]

約数ペア:

[(1, 78201986), (2, 39100993), (19, 4115894), (38, 2057947), (89, 878674), (178, 439337), (361, 216626), (722, 108313), (1217, 64258), (1691, 46246), (2434, 32129), (3382, 23123)]