28101665

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{1151}}^1$

素因数の和:1432

約数の個数: 16

約数和(自身を含む): 35665920

約数和(自身を除く): 7564255

約数列:

[1, 5, 19, 95, 257, 1151, 1285, 4883, 5755, 21869, 24415, 109345, 295807, 1479035, 5620333, 28101665]

約数ペア:

[(1, 28101665), (5, 5620333), (19, 1479035), (95, 295807), (257, 109345), (1151, 24415), (1285, 21869), (4883, 5755)]