20161243518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{403241}}^1$

素因数の和:403900

約数の個数: 32

約数和(自身を含む): 43492069152

約数和(自身を除く): 23330825634

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 641, 1282, 1923, 3846, 8333, 16666, 24999, 49998, 403241, 806482, 1209723, 2419446, 5242133, 10484266, 15726399, 31452798, 258477481, 516954962, 775432443, 1550864886, 3360207253, 6720414506, 10080621759, 20161243518]

約数ペア:

[(1, 20161243518), (2, 10080621759), (3, 6720414506), (6, 3360207253), (13, 1550864886), (26, 775432443), (39, 516954962), (78, 258477481), (641, 31452798), (1282, 15726399), (1923, 10484266), (3846, 5242133), (8333, 2419446), (16666, 1209723), (24999, 806482), (49998, 403241)]