131876128

素因数分解:

$2^5\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:497

約数の個数: 48

約数和(自身を含む): 264581856

約数和(自身を除く): 132705728

約数列:

[1, 2, 4, 8, 16, 32, 131, 163, 193, 262, 326, 386, 524, 652, 772, 1048, 1304, 1544, 2096, 2608, 3088, 4192, 5216, 6176, 21353, 25283, 31459, 42706, 50566, 62918, 85412, 101132, 125836, 170824, 202264, 251672, 341648, 404528, 503344, 683296, 809056, 1006688, 4121129, 8242258, 16484516, 32969032, 65938064, 131876128]

約数ペア:

[(1, 131876128), (2, 65938064), (4, 32969032), (8, 16484516), (16, 8242258), (32, 4121129), (131, 1006688), (163, 809056), (193, 683296), (262, 503344), (326, 404528), (386, 341648), (524, 251672), (652, 202264), (772, 170824), (1048, 125836), (1304, 101132), (1544, 85412), (2096, 62918), (2608, 50566), (3088, 42706), (4192, 31459), (5216, 25283), (6176, 21353)]