491605289

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{9281}}^1$

素因数の和:9365

約数の個数: 24

約数和(自身を含む): 609493248

約数和(自身を除く): 117887959

約数列:

[1, 7, 23, 47, 49, 161, 329, 1081, 1127, 2303, 7567, 9281, 52969, 64967, 213463, 436207, 454769, 1494241, 3053449, 10032761, 10459687, 21374143, 70229327, 491605289]

約数ペア:

[(1, 491605289), (7, 70229327), (23, 21374143), (47, 10459687), (49, 10032761), (161, 3053449), (329, 1494241), (1081, 454769), (1127, 436207), (2303, 213463), (7567, 64967), (9281, 52969)]