81896388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{974957}}^1$

素因数の和:974971

約数の個数: 24

約数和(自身を含む): 218390592

約数和(自身を除く): 136494204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 974957, 1949914, 2924871, 3899828, 5849742, 6824699, 11699484, 13649398, 20474097, 27298796, 40948194, 81896388]

約数ペア:

[(1, 81896388), (2, 40948194), (3, 27298796), (4, 20474097), (6, 13649398), (7, 11699484), (12, 6824699), (14, 5849742), (21, 3899828), (28, 2924871), (42, 1949914), (84, 974957)]