257693492

素因数分解:

$2^2\times 7^1\times {\mathrm{1277}}^1\times {\mathrm{7207}}^1$

素因数の和:8495

約数の個数: 24

約数和(自身を含む): 515862144

約数和(自身を除く): 258168652

約数列:

[1, 2, 4, 7, 14, 28, 1277, 2554, 5108, 7207, 8939, 14414, 17878, 28828, 35756, 50449, 100898, 201796, 9203339, 18406678, 36813356, 64423373, 128846746, 257693492]

約数ペア:

[(1, 257693492), (2, 128846746), (4, 64423373), (7, 36813356), (14, 18406678), (28, 9203339), (1277, 201796), (2554, 100898), (5108, 50449), (7207, 35756), (8939, 28828), (14414, 17878)]