399263156

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{74323}}^1$

素因数の和:74423

約数の個数: 24

約数和(自身を含む): 749185920

約数和(自身を除く): 349922764

約数列:

[1, 2, 4, 17, 34, 68, 79, 158, 316, 1343, 2686, 5372, 74323, 148646, 297292, 1263491, 2526982, 5053964, 5871517, 11743034, 23486068, 99815789, 199631578, 399263156]

約数ペア:

[(1, 399263156), (2, 199631578), (4, 99815789), (17, 23486068), (34, 11743034), (68, 5871517), (79, 5053964), (158, 2526982), (316, 1263491), (1343, 297292), (2686, 148646), (5372, 74323)]