16508891

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:231

約数の個数: 24

約数和(自身を含む): 20482560

約数和(自身を除く): 3973669

約数列:

[1, 7, 19, 47, 133, 139, 329, 361, 893, 973, 2527, 2641, 6251, 6533, 16967, 18487, 45731, 50179, 118769, 124127, 351253, 868889, 2358413, 16508891]

約数ペア:

[(1, 16508891), (7, 2358413), (19, 868889), (47, 351253), (133, 124127), (139, 118769), (329, 50179), (361, 45731), (893, 18487), (973, 16967), (2527, 6533), (2641, 6251)]