281926398

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1451}}^1$

素因数の和:1569

約数の個数: 64

約数和(自身を含む): 632282112

約数和(自身を除く): 350355714

約数列:

[1, 2, 3, 6, 13, 26, 39, 47, 53, 78, 94, 106, 141, 159, 282, 318, 611, 689, 1222, 1378, 1451, 1833, 2067, 2491, 2902, 3666, 4134, 4353, 4982, 7473, 8706, 14946, 18863, 32383, 37726, 56589, 64766, 68197, 76903, 97149, 113178, 136394, 153806, 194298, 204591, 230709, 409182, 461418, 886561, 999739, 1773122, 1999478, 2659683, 2999217, 3614441, 5319366, 5998434, 7228882, 10843323, 21686646, 46987733, 93975466, 140963199, 281926398]

約数ペア:

[(1, 281926398), (2, 140963199), (3, 93975466), (6, 46987733), (13, 21686646), (26, 10843323), (39, 7228882), (47, 5998434), (53, 5319366), (78, 3614441), (94, 2999217), (106, 2659683), (141, 1999478), (159, 1773122), (282, 999739), (318, 886561), (611, 461418), (689, 409182), (1222, 230709), (1378, 204591), (1451, 194298), (1833, 153806), (2067, 136394), (2491, 113178), (2902, 97149), (3666, 76903), (4134, 68197), (4353, 64766), (4982, 56589), (7473, 37726), (8706, 32383), (14946, 18863)]