256280906

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{2179}}^1$

素因数の和:2490

約数の個数: 32

約数和(自身を含む): 455393280

約数和(自身を除く): 199112374

約数列:

[1, 2, 7, 14, 31, 62, 217, 271, 434, 542, 1897, 2179, 3794, 4358, 8401, 15253, 16802, 30506, 58807, 67549, 117614, 135098, 472843, 590509, 945686, 1181018, 4133563, 8267126, 18305779, 36611558, 128140453, 256280906]

約数ペア:

[(1, 256280906), (2, 128140453), (7, 36611558), (14, 18305779), (31, 8267126), (62, 4133563), (217, 1181018), (271, 945686), (434, 590509), (542, 472843), (1897, 135098), (2179, 117614), (3794, 67549), (4358, 58807), (8401, 30506), (15253, 16802)]