78689090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1\times {\mathrm{1069}}^1$

素因数の和:1526

約数の個数: 32

約数和(自身を含む): 150459120

約数和(自身を除く): 71770030

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 433, 866, 1069, 2138, 2165, 4330, 5345, 7361, 10690, 14722, 18173, 36346, 36805, 73610, 90865, 181730, 462877, 925754, 2314385, 4628770, 7868909, 15737818, 39344545, 78689090]

約数ペア:

[(1, 78689090), (2, 39344545), (5, 15737818), (10, 7868909), (17, 4628770), (34, 2314385), (85, 925754), (170, 462877), (433, 181730), (866, 90865), (1069, 73610), (2138, 36805), (2165, 36346), (4330, 18173), (5345, 14722), (7361, 10690)]