28078798

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{389}}^1$

素因数の和:612

約数の個数: 32

約数和(自身を含む): 49027680

約数和(自身を除く): 20948882

約数列:

[1, 2, 11, 17, 22, 34, 187, 193, 374, 386, 389, 778, 2123, 3281, 4246, 4279, 6562, 6613, 8558, 13226, 36091, 72182, 72743, 75077, 145486, 150154, 825847, 1276309, 1651694, 2552618, 14039399, 28078798]

約数ペア:

[(1, 28078798), (2, 14039399), (11, 2552618), (17, 1651694), (22, 1276309), (34, 825847), (187, 150154), (193, 145486), (374, 75077), (386, 72743), (389, 72182), (778, 36091), (2123, 13226), (3281, 8558), (4246, 6613), (4279, 6562)]