168451278

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1\times {\mathrm{1321}}^1$

素因数の和:1780

約数の個数: 32

約数和(自身を含む): 344375712

約数和(自身を除く): 175924434

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 401, 802, 1203, 1321, 2406, 2642, 3963, 7926, 21253, 42506, 63759, 70013, 127518, 140026, 210039, 420078, 529721, 1059442, 1589163, 3178326, 28075213, 56150426, 84225639, 168451278]

約数ペア:

[(1, 168451278), (2, 84225639), (3, 56150426), (6, 28075213), (53, 3178326), (106, 1589163), (159, 1059442), (318, 529721), (401, 420078), (802, 210039), (1203, 140026), (1321, 127518), (2406, 70013), (2642, 63759), (3963, 42506), (7926, 21253)]