259620004

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{73009}}^1$

素因数の和:73147

約数の個数: 24

約数和(自身を含む): 523335680

約数和(自身を除く): 263715676

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 73009, 146018, 292036, 511063, 1022126, 2044252, 9272143, 18544286, 37088572, 64905001, 129810002, 259620004]

約数ペア:

[(1, 259620004), (2, 129810002), (4, 64905001), (7, 37088572), (14, 18544286), (28, 9272143), (127, 2044252), (254, 1022126), (508, 511063), (889, 292036), (1778, 146018), (3556, 73009)]