208530908

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71317}}^1$

素因数の和:71381

約数の個数: 24

約数和(自身を含む): 395386992

約数和(自身を除く): 186856084

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 71317, 142634, 285268, 1212389, 2424778, 3066631, 4849556, 6133262, 12266524, 52132727, 104265454, 208530908]

約数ペア:

[(1, 208530908), (2, 104265454), (4, 52132727), (17, 12266524), (34, 6133262), (43, 4849556), (68, 3066631), (86, 2424778), (172, 1212389), (731, 285268), (1462, 142634), (2924, 71317)]