216878392

素因数分解:

$2^3\times {\mathrm{389}}^1\times {\mathrm{69691}}^1$

素因数の和:70086

約数の個数: 16

約数和(自身を含む): 407698200

約数和(自身を除く): 190819808

約数列:

[1, 2, 4, 8, 389, 778, 1556, 3112, 69691, 139382, 278764, 557528, 27109799, 54219598, 108439196, 216878392]

約数ペア:

[(1, 216878392), (2, 108439196), (4, 54219598), (8, 27109799), (389, 557528), (778, 278764), (1556, 139382), (3112, 69691)]