128420636

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{3457}}^1$

素因数の和:3749

約数の個数: 24

約数和(自身を含む): 231796656

約数和(自身を除く): 103376020

約数列:

[1, 2, 4, 37, 74, 148, 251, 502, 1004, 3457, 6914, 9287, 13828, 18574, 37148, 127909, 255818, 511636, 867707, 1735414, 3470828, 32105159, 64210318, 128420636]

約数ペア:

[(1, 128420636), (2, 64210318), (4, 32105159), (37, 3470828), (74, 1735414), (148, 867707), (251, 511636), (502, 255818), (1004, 127909), (3457, 37148), (6914, 18574), (9287, 13828)]