258521704

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{87103}}^1$

素因数の和:87169

約数の個数: 32

約数和(自身を含む): 564433920

約数和(自身を除く): 305912216

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 87103, 174206, 348412, 609721, 696824, 1219442, 2438884, 4616459, 4877768, 9232918, 18465836, 32315213, 36931672, 64630426, 129260852, 258521704]

約数ペア:

[(1, 258521704), (2, 129260852), (4, 64630426), (7, 36931672), (8, 32315213), (14, 18465836), (28, 9232918), (53, 4877768), (56, 4616459), (106, 2438884), (212, 1219442), (371, 696824), (424, 609721), (742, 348412), (1484, 174206), (2968, 87103)]