16939741

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:194

約数の個数: 32

約数和(自身を含む): 22176000

約数和(自身を除く): 5236259

約数列:

[1, 7, 13, 29, 49, 91, 131, 203, 343, 377, 637, 917, 1421, 1703, 2639, 3799, 4459, 6419, 9947, 11921, 18473, 26593, 44933, 49387, 83447, 129311, 186151, 345709, 584129, 1303057, 2419963, 16939741]

約数ペア:

[(1, 16939741), (7, 2419963), (13, 1303057), (29, 584129), (49, 345709), (91, 186151), (131, 129311), (203, 83447), (343, 49387), (377, 44933), (637, 26593), (917, 18473), (1421, 11921), (1703, 9947), (2639, 6419), (3799, 4459)]