28293013

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3739}}^1$

素因数の和:3816

約数の個数: 16

約数和(自身を含む): 34467840

約数和(自身を除く): 6174827

約数列:

[1, 7, 23, 47, 161, 329, 1081, 3739, 7567, 26173, 85997, 175733, 601979, 1230131, 4041859, 28293013]

約数ペア:

[(1, 28293013), (7, 4041859), (23, 1230131), (47, 601979), (161, 175733), (329, 85997), (1081, 26173), (3739, 7567)]