28840091

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{661}}^1$

素因数の和:962

約数の個数: 16

約数和(自身を含む): 34572288

約数和(自身を除く): 5732197

約数列:

[1, 7, 23, 161, 271, 661, 1897, 4627, 6233, 15203, 43631, 106421, 179131, 1253917, 4120013, 28840091]

約数ペア:

[(1, 28840091), (7, 4120013), (23, 1253917), (161, 179131), (271, 106421), (661, 43631), (1897, 15203), (4627, 6233)]