668432432

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{430691}}^1$

素因数の和:430796

約数の個数: 20

約数和(自身を含む): 1308442296

約数和(自身を除く): 640009864

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 430691, 861382, 1722764, 3445528, 6891056, 41777027, 83554054, 167108108, 334216216, 668432432]

約数ペア:

[(1, 668432432), (2, 334216216), (4, 167108108), (8, 83554054), (16, 41777027), (97, 6891056), (194, 3445528), (388, 1722764), (776, 861382), (1552, 430691)]