128213104

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{63097}}^1$

素因数の和:63232

約数の個数: 20

約数和(自身を含む): 250372864

約数和(自身を除く): 122159760

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 63097, 126194, 252388, 504776, 1009552, 8013319, 16026638, 32053276, 64106552, 128213104]

約数ペア:

[(1, 128213104), (2, 64106552), (4, 32053276), (8, 16026638), (16, 8013319), (127, 1009552), (254, 504776), (508, 252388), (1016, 126194), (2032, 63097)]