213525788

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{177347}}^1$

素因数の和:177401

約数の個数: 24

約数和(自身を含む): 436985472

約数和(自身を除く): 223459684

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 177347, 354694, 709388, 1241429, 2482858, 4965716, 7625921, 15251842, 30503684, 53381447, 106762894, 213525788]

約数ペア:

[(1, 213525788), (2, 106762894), (4, 53381447), (7, 30503684), (14, 15251842), (28, 7625921), (43, 4965716), (86, 2482858), (172, 1241429), (301, 709388), (602, 354694), (1204, 177347)]