7131640474

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1\times {\mathrm{9421}}^1$

素因数の和:9958

約数の個数: 32

約数和(自身を含む): 12346588800

約数和(自身を除く): 5214948326

約数列:

[1, 2, 7, 14, 139, 278, 389, 778, 973, 1946, 2723, 5446, 9421, 18842, 54071, 65947, 108142, 131894, 378497, 756994, 1309519, 2619038, 3664769, 7329538, 9166633, 18333266, 25653383, 51306766, 509402891, 1018805782, 3565820237, 7131640474]

約数ペア:

[(1, 7131640474), (2, 3565820237), (7, 1018805782), (14, 509402891), (139, 51306766), (278, 25653383), (389, 18333266), (778, 9166633), (973, 7329538), (1946, 3664769), (2723, 2619038), (5446, 1309519), (9421, 756994), (18842, 378497), (54071, 131894), (65947, 108142)]