81882742

素因数分解:

$2^1\times {\mathrm{19}}^3\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 133447680

約数和(自身を除く): 51564938

約数列:

[1, 2, 19, 38, 47, 94, 127, 254, 361, 722, 893, 1786, 2413, 4826, 5969, 6859, 11938, 13718, 16967, 33934, 45847, 91694, 113411, 226822, 322373, 644746, 871093, 1742186, 2154809, 4309618, 40941371, 81882742]

約数ペア:

[(1, 81882742), (2, 40941371), (19, 4309618), (38, 2154809), (47, 1742186), (94, 871093), (127, 644746), (254, 322373), (361, 226822), (722, 113411), (893, 91694), (1786, 45847), (2413, 33934), (4826, 16967), (5969, 13718), (6859, 11938)]