16686845

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1091}}^1$

素因数の和:1145

約数の個数: 32

約数和(自身を含む): 25159680

約数和(自身を除く): 8472835

約数列:

[1, 5, 7, 19, 23, 35, 95, 115, 133, 161, 437, 665, 805, 1091, 2185, 3059, 5455, 7637, 15295, 20729, 25093, 38185, 103645, 125465, 145103, 175651, 476767, 725515, 878255, 2383835, 3337369, 16686845]

約数ペア:

[(1, 16686845), (5, 3337369), (7, 2383835), (19, 878255), (23, 725515), (35, 476767), (95, 175651), (115, 145103), (133, 125465), (161, 103645), (437, 38185), (665, 25093), (805, 20729), (1091, 15295), (2185, 7637), (3059, 5455)]