28243690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3457}}^1$

素因数の和:3526

約数の個数: 32

約数和(自身を含む): 54774720

約数和(自身を除く): 26531030

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 3457, 4085, 6914, 8170, 17285, 34570, 65683, 131366, 148651, 297302, 328415, 656830, 743255, 1486510, 2824369, 5648738, 14121845, 28243690]

約数ペア:

[(1, 28243690), (2, 14121845), (5, 5648738), (10, 2824369), (19, 1486510), (38, 743255), (43, 656830), (86, 328415), (95, 297302), (190, 148651), (215, 131366), (430, 65683), (817, 34570), (1634, 17285), (3457, 8170), (4085, 6914)]