261567278

素因数分解:

$2^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{283}}^1\times {\mathrm{617}}^1$

素因数の和:1016

約数の個数: 32

約数和(自身を含む): 454927104

約数和(自身を除く): 193359826

約数列:

[1, 2, 7, 14, 107, 214, 283, 566, 617, 749, 1234, 1498, 1981, 3962, 4319, 8638, 30281, 60562, 66019, 132038, 174611, 211967, 349222, 423934, 462133, 924266, 1222277, 2444554, 18683377, 37366754, 130783639, 261567278]

約数ペア:

[(1, 261567278), (2, 130783639), (7, 37366754), (14, 18683377), (107, 2444554), (214, 1222277), (283, 924266), (566, 462133), (617, 423934), (749, 349222), (1234, 211967), (1498, 174611), (1981, 132038), (3962, 66019), (4319, 60562), (8638, 30281)]