81778774

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1471}}^1$

素因数の和:1529

約数の個数: 48

約数和(自身を含む): 161519616

約数和(自身を除く): 79740842

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 361, 418, 722, 1463, 1471, 2527, 2926, 2942, 3971, 5054, 7942, 10297, 16181, 20594, 27797, 27949, 32362, 55594, 55898, 113267, 195643, 226534, 307439, 391286, 531031, 614878, 1062062, 2152073, 3717217, 4304146, 5841341, 7434434, 11682682, 40889387, 81778774]

約数ペア:

[(1, 81778774), (2, 40889387), (7, 11682682), (11, 7434434), (14, 5841341), (19, 4304146), (22, 3717217), (38, 2152073), (77, 1062062), (133, 614878), (154, 531031), (209, 391286), (266, 307439), (361, 226534), (418, 195643), (722, 113267), (1463, 55898), (1471, 55594), (2527, 32362), (2926, 27949), (2942, 27797), (3971, 20594), (5054, 16181), (7942, 10297)]