22881481

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 28235520

約数和(自身を除く): 5354039

約数列:

[1, 7, 23, 49, 79, 161, 257, 553, 1127, 1799, 1817, 3871, 5911, 12593, 12719, 20303, 41377, 89033, 142121, 289639, 466969, 994847, 3268783, 22881481]

約数ペア:

[(1, 22881481), (7, 3268783), (23, 994847), (49, 466969), (79, 289639), (161, 142121), (257, 89033), (553, 41377), (1127, 20303), (1799, 12719), (1817, 12593), (3871, 5911)]