487991882

素因数分解:

$2^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1999}}^1$

素因数の和:2115

約数の個数: 48

約数和(自身を含む): 886464000

約数和(自身を除く): 398472118

約数列:

[1, 2, 7, 14, 47, 49, 53, 94, 98, 106, 329, 371, 658, 742, 1999, 2303, 2491, 2597, 3998, 4606, 4982, 5194, 13993, 17437, 27986, 34874, 93953, 97951, 105947, 122059, 187906, 195902, 211894, 244118, 657671, 741629, 1315342, 1483258, 4603697, 4979509, 5191403, 9207394, 9959018, 10382806, 34856563, 69713126, 243995941, 487991882]

約数ペア:

[(1, 487991882), (2, 243995941), (7, 69713126), (14, 34856563), (47, 10382806), (49, 9959018), (53, 9207394), (94, 5191403), (98, 4979509), (106, 4603697), (329, 1483258), (371, 1315342), (658, 741629), (742, 657671), (1999, 244118), (2303, 211894), (2491, 195902), (2597, 187906), (3998, 122059), (4606, 105947), (4982, 97951), (5194, 93953), (13993, 34874), (17437, 27986)]