156640216

素因数分解:

$2^3\times {\mathrm{197}}^1\times {\mathrm{99391}}^1$

素因数の和:99594

約数の個数: 16

約数和(自身を含む): 295194240

約数和(自身を除く): 138554024

約数列:

[1, 2, 4, 8, 197, 394, 788, 1576, 99391, 198782, 397564, 795128, 19580027, 39160054, 78320108, 156640216]

約数ペア:

[(1, 156640216), (2, 78320108), (4, 39160054), (8, 19580027), (197, 795128), (394, 397564), (788, 198782), (1576, 99391)]