28491043

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{653}}^1$

素因数の和:954

約数の個数: 16

約数和(自身を含む): 34154496

約数和(自身を除く): 5663453

約数列:

[1, 7, 23, 161, 271, 653, 1897, 4571, 6233, 15019, 43631, 105133, 176963, 1238741, 4070149, 28491043]

約数ペア:

[(1, 28491043), (7, 4070149), (23, 1238741), (161, 176963), (271, 105133), (653, 43631), (1897, 15019), (4571, 6233)]