128260426

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{247607}}^1$

素因数の和:247653

約数の個数: 16

約数和(自身を含む): 225818496

約数和(自身を除く): 97558070

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 247607, 495214, 1733249, 3466498, 9161459, 18322918, 64130213, 128260426]

約数ペア:

[(1, 128260426), (2, 64130213), (7, 18322918), (14, 9161459), (37, 3466498), (74, 1733249), (259, 495214), (518, 247607)]