1280848

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{277}}^1$

素因数の和:319

約数の個数: 30

約数和(自身を含む): 2645726

約数和(自身を除く): 1364878

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 277, 289, 554, 578, 1108, 1156, 2216, 2312, 4432, 4624, 4709, 9418, 18836, 37672, 75344, 80053, 160106, 320212, 640424, 1280848]

約数ペア:

[(1, 1280848), (2, 640424), (4, 320212), (8, 160106), (16, 80053), (17, 75344), (34, 37672), (68, 18836), (136, 9418), (272, 4709), (277, 4624), (289, 4432), (554, 2312), (578, 2216), (1108, 1156)]