7131944215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{17191}}^1$

素因数の和:17623

約数の個数: 32

約数和(自身を含む): 9853079040

約数和(自身を除く): 2721134825

約数列:

[1, 5, 11, 19, 55, 95, 209, 397, 1045, 1985, 4367, 7543, 17191, 21835, 37715, 82973, 85955, 189101, 326629, 414865, 945505, 1633145, 3592919, 6824827, 17964595, 34124135, 75073097, 129671713, 375365485, 648358565, 1426388843, 7131944215]

約数ペア:

[(1, 7131944215), (5, 1426388843), (11, 648358565), (19, 375365485), (55, 129671713), (95, 75073097), (209, 34124135), (397, 17964595), (1045, 6824827), (1985, 3592919), (4367, 1633145), (7543, 945505), (17191, 414865), (21835, 326629), (37715, 189101), (82973, 85955)]