258005545

素因数分解:

$5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1\times {\mathrm{293}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 359573760

約数和(自身を除く): 101568215

約数列:

[1, 5, 7, 35, 139, 181, 293, 695, 905, 973, 1267, 1465, 2051, 4865, 6335, 10255, 25159, 40727, 53033, 125795, 176113, 203635, 265165, 285089, 371231, 880565, 1425445, 1856155, 7371587, 36857935, 51601109, 258005545]

約数ペア:

[(1, 258005545), (5, 51601109), (7, 36857935), (35, 7371587), (139, 1856155), (181, 1425445), (293, 880565), (695, 371231), (905, 285089), (973, 265165), (1267, 203635), (1465, 176113), (2051, 125795), (4865, 53033), (6335, 40727), (10255, 25159)]