247986154

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1709}}^1\times {\mathrm{5581}}^1$

素因数の和:7305

約数の個数: 16

約数和(自身を含む): 400899240

約数和(自身を除く): 152913086

約数列:

[1, 2, 13, 26, 1709, 3418, 5581, 11162, 22217, 44434, 72553, 145106, 9537929, 19075858, 123993077, 247986154]

約数ペア:

[(1, 247986154), (2, 123993077), (13, 19075858), (26, 9537929), (1709, 145106), (3418, 72553), (5581, 44434), (11162, 22217)]