260040788

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{47143}}^1$

素因数の和:47351

約数の個数: 24

約数和(自身を含む): 522732672

約数和(自身を除く): 262691884

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 5516, 47143, 94286, 188572, 330001, 660002, 1320004, 9287171, 18574342, 37148684, 65010197, 130020394, 260040788]

約数ペア:

[(1, 260040788), (2, 130020394), (4, 65010197), (7, 37148684), (14, 18574342), (28, 9287171), (197, 1320004), (394, 660002), (788, 330001), (1379, 188572), (2758, 94286), (5516, 47143)]