388650899

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2027}}^1$

素因数の和:2104

約数の個数: 32

約数和(自身を含む): 499699200

約数和(自身を除く): 111048301

約数列:

[1, 7, 13, 43, 49, 91, 301, 343, 559, 637, 2027, 2107, 3913, 4459, 14189, 14749, 26351, 27391, 87161, 99323, 184457, 191737, 610127, 695261, 1133093, 1291199, 4270889, 7931651, 9038393, 29896223, 55521557, 388650899]

約数ペア:

[(1, 388650899), (7, 55521557), (13, 29896223), (43, 9038393), (49, 7931651), (91, 4270889), (301, 1291199), (343, 1133093), (559, 695261), (637, 610127), (2027, 191737), (2107, 184457), (3913, 99323), (4459, 87161), (14189, 27391), (14749, 26351)]