201990510519

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{318191}}^1$

素因数の和:318300

約数の個数: 64

約数和(自身を含む): 340490895360

約数和(自身を除く): 138500384841

約数列:

[1, 3, 7, 19, 21, 37, 43, 57, 111, 129, 133, 259, 301, 399, 703, 777, 817, 903, 1591, 2109, 2451, 4773, 4921, 5719, 11137, 14763, 17157, 30229, 33411, 90687, 211603, 318191, 634809, 954573, 2227337, 6045629, 6682011, 11773067, 13682213, 18136887, 35319201, 41046639, 42319403, 82411469, 95775491, 126958209, 223688273, 247234407, 259962047, 287326473, 506241881, 671064819, 779886141, 1518725643, 1565817911, 1819734329, 3543693167, 4697453733, 5459202987, 9618595739, 10631079501, 28855787217, 67330170173, 201990510519]

約数ペア:

[(1, 201990510519), (3, 67330170173), (7, 28855787217), (19, 10631079501), (21, 9618595739), (37, 5459202987), (43, 4697453733), (57, 3543693167), (111, 1819734329), (129, 1565817911), (133, 1518725643), (259, 779886141), (301, 671064819), (399, 506241881), (703, 287326473), (777, 259962047), (817, 247234407), (903, 223688273), (1591, 126958209), (2109, 95775491), (2451, 82411469), (4773, 42319403), (4921, 41046639), (5719, 35319201), (11137, 18136887), (14763, 13682213), (17157, 11773067), (30229, 6682011), (33411, 6045629), (90687, 2227337), (211603, 954573), (318191, 634809)]