257108684

素因数分解:

$2^2\times 7^4\times {\mathrm{19}}^1\times {\mathrm{1409}}^1$

素因数の和:1460

約数の個数: 60

約数和(自身を含む): 552917400

約数和(自身を除く): 295808716

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 343, 532, 686, 931, 1372, 1409, 1862, 2401, 2818, 3724, 4802, 5636, 6517, 9604, 9863, 13034, 19726, 26068, 26771, 39452, 45619, 53542, 69041, 91238, 107084, 138082, 182476, 187397, 276164, 374794, 483287, 749588, 966574, 1311779, 1933148, 2623558, 3383009, 5247116, 6766018, 9182453, 13532036, 18364906, 36729812, 64277171, 128554342, 257108684]

約数ペア:

[(1, 257108684), (2, 128554342), (4, 64277171), (7, 36729812), (14, 18364906), (19, 13532036), (28, 9182453), (38, 6766018), (49, 5247116), (76, 3383009), (98, 2623558), (133, 1933148), (196, 1311779), (266, 966574), (343, 749588), (532, 483287), (686, 374794), (931, 276164), (1372, 187397), (1409, 182476), (1862, 138082), (2401, 107084), (2818, 91238), (3724, 69041), (4802, 53542), (5636, 45619), (6517, 39452), (9604, 26771), (9863, 26068), (13034, 19726)]