256078072

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{43789}}^1$

素因数の和:43855

約数の個数: 32

約数和(自身を含む): 520225200

約数和(自身を除く): 264147128

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 344, 731, 1462, 2924, 5848, 43789, 87578, 175156, 350312, 744413, 1488826, 1882927, 2977652, 3765854, 5955304, 7531708, 15063416, 32009759, 64019518, 128039036, 256078072]

約数ペア:

[(1, 256078072), (2, 128039036), (4, 64019518), (8, 32009759), (17, 15063416), (34, 7531708), (43, 5955304), (68, 3765854), (86, 2977652), (136, 1882927), (172, 1488826), (344, 744413), (731, 350312), (1462, 175156), (2924, 87578), (5848, 43789)]