71947519

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 92123136

約数和(自身を除く): 20175617

約数列:

[1, 7, 17, 23, 97, 119, 161, 271, 391, 679, 1649, 1897, 2231, 2737, 4607, 6233, 11543, 15617, 26287, 32249, 37927, 43631, 105961, 184009, 265489, 446879, 604601, 741727, 3128153, 4232207, 10278217, 71947519]

約数ペア:

[(1, 71947519), (7, 10278217), (17, 4232207), (23, 3128153), (97, 741727), (119, 604601), (161, 446879), (271, 265489), (391, 184009), (679, 105961), (1649, 43631), (1897, 37927), (2231, 32249), (2737, 26287), (4607, 15617), (6233, 11543)]