258274198

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{28961}}^1$

素因数の和:28997

約数の個数: 32

約数和(自身を含む): 486561600

約数和(自身を除く): 228287402

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 343, 637, 686, 1274, 4459, 8918, 28961, 57922, 202727, 376493, 405454, 752986, 1419089, 2635451, 2838178, 5270902, 9933623, 18448157, 19867246, 36896314, 129137099, 258274198]

約数ペア:

[(1, 258274198), (2, 129137099), (7, 36896314), (13, 19867246), (14, 18448157), (26, 9933623), (49, 5270902), (91, 2838178), (98, 2635451), (182, 1419089), (343, 752986), (637, 405454), (686, 376493), (1274, 202727), (4459, 57922), (8918, 28961)]