28538419

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{7649}}^1$

素因数の和:7710

約数の個数: 16

約数和(自身を含む): 35985600

約数和(自身を除く): 7447181

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 7649, 53543, 99437, 313609, 696059, 2195263, 4076917, 28538419]

約数ペア:

[(1, 28538419), (7, 4076917), (13, 2195263), (41, 696059), (91, 313609), (287, 99437), (533, 53543), (3731, 7649)]