81379012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{142271}}^1$

素因数の和:142299

約数の個数: 24

約数和(自身を含む): 167311872

約数和(自身を除く): 85932860

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 142271, 284542, 569084, 1564981, 1849523, 3129962, 3699046, 6259924, 7398092, 20344753, 40689506, 81379012]

約数ペア:

[(1, 81379012), (2, 40689506), (4, 20344753), (11, 7398092), (13, 6259924), (22, 3699046), (26, 3129962), (44, 1849523), (52, 1564981), (143, 569084), (286, 284542), (572, 142271)]