25138218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:579

約数の個数: 64

約数和(自身を含む): 61212672

約数和(自身を除く): 36074454

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 53, 69, 106, 138, 159, 161, 318, 322, 371, 483, 491, 742, 966, 982, 1113, 1219, 1473, 2226, 2438, 2946, 3437, 3657, 6874, 7314, 8533, 10311, 11293, 17066, 20622, 22586, 25599, 26023, 33879, 51198, 52046, 67758, 78069, 79051, 156138, 158102, 182161, 237153, 364322, 474306, 546483, 598529, 1092966, 1197058, 1795587, 3591174, 4189703, 8379406, 12569109, 25138218]

約数ペア:

[(1, 25138218), (2, 12569109), (3, 8379406), (6, 4189703), (7, 3591174), (14, 1795587), (21, 1197058), (23, 1092966), (42, 598529), (46, 546483), (53, 474306), (69, 364322), (106, 237153), (138, 182161), (159, 158102), (161, 156138), (318, 79051), (322, 78069), (371, 67758), (483, 52046), (491, 51198), (742, 33879), (966, 26023), (982, 25599), (1113, 22586), (1219, 20622), (1473, 17066), (2226, 11293), (2438, 10311), (2946, 8533), (3437, 7314), (3657, 6874)]