278328193

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2999}}^1$

素因数の和:3093

約数の個数: 24

約数和(自身を含む): 335160000

約数和(自身を除く): 56831807

約数列:

[1, 11, 13, 59, 121, 143, 649, 767, 1573, 2999, 7139, 8437, 32989, 38987, 92807, 176941, 362879, 428857, 1946351, 2300233, 4717427, 21409861, 25302563, 278328193]

約数ペア:

[(1, 278328193), (11, 25302563), (13, 21409861), (59, 4717427), (121, 2300233), (143, 1946351), (649, 428857), (767, 362879), (1573, 176941), (2999, 92807), (7139, 38987), (8437, 32989)]