209778906

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{3527}}^1$

素因数の和:3986

約数の個数: 32

約数和(自身を含む): 438939648

約数和(自身を除く): 229160742

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 431, 862, 1293, 2586, 3527, 7054, 9913, 10581, 19826, 21162, 29739, 59478, 81121, 162242, 243363, 486726, 1520137, 3040274, 4560411, 9120822, 34963151, 69926302, 104889453, 209778906]

約数ペア:

[(1, 209778906), (2, 104889453), (3, 69926302), (6, 34963151), (23, 9120822), (46, 4560411), (69, 3040274), (138, 1520137), (431, 486726), (862, 243363), (1293, 162242), (2586, 81121), (3527, 59478), (7054, 29739), (9913, 21162), (10581, 19826)]