128442244

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{123979}}^1$

素因数の和:124027

約数の個数: 24

約数和(自身を含む): 263829440

約数和(自身を除く): 135387196

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 123979, 247958, 495916, 867853, 1735706, 3471412, 4587223, 9174446, 18348892, 32110561, 64221122, 128442244]

約数ペア:

[(1, 128442244), (2, 64221122), (4, 32110561), (7, 18348892), (14, 9174446), (28, 4587223), (37, 3471412), (74, 1735706), (148, 867853), (259, 495916), (518, 247958), (1036, 123979)]