991969495

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{26879}}^1$

素因数の和:26967

約数の個数: 24

約数和(自身を含む): 1329914880

約数和(自身を除く): 337945385

約数列:

[1, 5, 11, 55, 61, 121, 305, 605, 671, 3355, 7381, 26879, 36905, 134395, 295669, 1478345, 1639619, 3252359, 8198095, 16261795, 18035809, 90179045, 198393899, 991969495]

約数ペア:

[(1, 991969495), (5, 198393899), (11, 90179045), (55, 18035809), (61, 16261795), (121, 8198095), (305, 3252359), (605, 1639619), (671, 1478345), (3355, 295669), (7381, 134395), (26879, 36905)]