81199954

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{421}}^1\times {\mathrm{797}}^1$

素因数の和:1242

約数の個数: 24

約数和(自身を含む): 134365644

約数和(自身を除く): 53165690

約数列:

[1, 2, 11, 22, 121, 242, 421, 797, 842, 1594, 4631, 8767, 9262, 17534, 50941, 96437, 101882, 192874, 335537, 671074, 3690907, 7381814, 40599977, 81199954]

約数ペア:

[(1, 81199954), (2, 40599977), (11, 7381814), (22, 3690907), (121, 671074), (242, 335537), (421, 192874), (797, 101882), (842, 96437), (1594, 50941), (4631, 17534), (8767, 9262)]