78409882

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:610

約数の個数: 32

約数和(自身を含む): 129037968

約数和(自身を除く): 50628086

約数列:

[1, 2, 17, 34, 37, 74, 157, 314, 397, 629, 794, 1258, 2669, 5338, 5809, 6749, 11618, 13498, 14689, 29378, 62329, 98753, 124658, 197506, 249713, 499426, 1059593, 2119186, 2306173, 4612346, 39204941, 78409882]

約数ペア:

[(1, 78409882), (2, 39204941), (17, 4612346), (34, 2306173), (37, 2119186), (74, 1059593), (157, 499426), (314, 249713), (397, 197506), (629, 124658), (794, 98753), (1258, 62329), (2669, 29378), (5338, 14689), (5809, 13498), (6749, 11618)]