42165136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{202717}}^1$

素因数の和:202738

約数の個数: 20

約数和(自身を含む): 87979612

約数和(自身を除く): 45814476

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 202717, 405434, 810868, 1621736, 2635321, 3243472, 5270642, 10541284, 21082568, 42165136]

約数ペア:

[(1, 42165136), (2, 21082568), (4, 10541284), (8, 5270642), (13, 3243472), (16, 2635321), (26, 1621736), (52, 810868), (104, 405434), (208, 202717)]