680908816

素因数分解:

$2^4\times 7^1\times {\mathrm{211}}^1\times {\mathrm{28813}}^1$

素因数の和:29039

約数の個数: 40

約数和(自身を含む): 1514924864

約数和(自身を除く): 834016048

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 211, 422, 844, 1477, 1688, 2954, 3376, 5908, 11816, 23632, 28813, 57626, 115252, 201691, 230504, 403382, 461008, 806764, 1613528, 3227056, 6079543, 12159086, 24318172, 42556801, 48636344, 85113602, 97272688, 170227204, 340454408, 680908816]

約数ペア:

[(1, 680908816), (2, 340454408), (4, 170227204), (7, 97272688), (8, 85113602), (14, 48636344), (16, 42556801), (28, 24318172), (56, 12159086), (112, 6079543), (211, 3227056), (422, 1613528), (844, 806764), (1477, 461008), (1688, 403382), (2954, 230504), (3376, 201691), (5908, 115252), (11816, 57626), (23632, 28813)]