13366780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{311}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 32288256

約数和(自身を除く): 18921476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 307, 311, 614, 622, 1228, 1244, 1535, 1555, 2149, 2177, 3070, 3110, 4298, 4354, 6140, 6220, 8596, 8708, 10745, 10885, 21490, 21770, 42980, 43540, 95477, 190954, 381908, 477385, 668339, 954770, 1336678, 1909540, 2673356, 3341695, 6683390, 13366780]

約数ペア:

[(1, 13366780), (2, 6683390), (4, 3341695), (5, 2673356), (7, 1909540), (10, 1336678), (14, 954770), (20, 668339), (28, 477385), (35, 381908), (70, 190954), (140, 95477), (307, 43540), (311, 42980), (614, 21770), (622, 21490), (1228, 10885), (1244, 10745), (1535, 8708), (1555, 8596), (2149, 6220), (2177, 6140), (3070, 4354), (3110, 4298)]