129401416

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{3511}}^1$

素因数の和:3805

約数の個数: 32

約数和(自身を含む): 257921280

約数和(自身を除く): 128519864

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 271, 542, 1084, 2168, 3511, 4607, 7022, 9214, 14044, 18428, 28088, 36856, 59687, 119374, 238748, 477496, 951481, 1902962, 3805924, 7611848, 16175177, 32350354, 64700708, 129401416]

約数ペア:

[(1, 129401416), (2, 64700708), (4, 32350354), (8, 16175177), (17, 7611848), (34, 3805924), (68, 1902962), (136, 951481), (271, 477496), (542, 238748), (1084, 119374), (2168, 59687), (3511, 36856), (4607, 28088), (7022, 18428), (9214, 14044)]