8661842987

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{65851}}^1$

素因数の和:65943

約数の個数: 32

約数和(自身を含む): 11126353920

約数和(自身を除く): 2464510933

約数列:

[1, 7, 19, 23, 43, 133, 161, 301, 437, 817, 989, 3059, 5719, 6923, 18791, 65851, 131537, 460957, 1251169, 1514573, 2831593, 8758183, 10602011, 19821151, 28776887, 53800267, 65126639, 201438209, 376601869, 455886473, 1237406141, 8661842987]

約数ペア:

[(1, 8661842987), (7, 1237406141), (19, 455886473), (23, 376601869), (43, 201438209), (133, 65126639), (161, 53800267), (301, 28776887), (437, 19821151), (817, 10602011), (989, 8758183), (3059, 2831593), (5719, 1514573), (6923, 1251169), (18791, 460957), (65851, 131537)]