20131313258

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1\times {\mathrm{62311}}^1$

素因数の和:62858

約数の個数: 32

約数和(自身を含む): 35317444608

約数和(自身を除く): 15186131350

約数列:

[1, 2, 7, 14, 47, 94, 329, 491, 658, 982, 3437, 6874, 23077, 46154, 62311, 124622, 161539, 323078, 436177, 872354, 2928617, 5857234, 20500319, 30594701, 41000638, 61189402, 214162907, 428325814, 1437950947, 2875901894, 10065656629, 20131313258]

約数ペア:

[(1, 20131313258), (2, 10065656629), (7, 2875901894), (14, 1437950947), (47, 428325814), (94, 214162907), (329, 61189402), (491, 41000638), (658, 30594701), (982, 20500319), (3437, 5857234), (6874, 2928617), (23077, 872354), (46154, 436177), (62311, 323078), (124622, 161539)]