258804917

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{1087}}^1$

素因数の和:1257

約数の個数: 24

約数和(自身を含む): 311072256

約数和(自身を除く): 52267339

約数列:

[1, 7, 43, 49, 113, 301, 791, 1087, 2107, 4859, 5537, 7609, 34013, 46741, 53263, 122831, 238091, 327187, 859817, 2290309, 5281733, 6018719, 36972131, 258804917]

約数ペア:

[(1, 258804917), (7, 36972131), (43, 6018719), (49, 5281733), (113, 2290309), (301, 859817), (791, 327187), (1087, 238091), (2107, 122831), (4859, 53263), (5537, 46741), (7609, 34013)]