209968633

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1\times {\mathrm{1973}}^1$

素因数の和:2664

約数の個数: 16

約数和(自身を含む): 250903296

約数和(自身を除く): 40934663

約数列:

[1, 7, 23, 161, 661, 1973, 4627, 13811, 15203, 45379, 106421, 317653, 1304153, 9129071, 29995519, 209968633]

約数ペア:

[(1, 209968633), (7, 29995519), (23, 9129071), (161, 1304153), (661, 317653), (1973, 106421), (4627, 45379), (13811, 15203)]