28291211

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{743}}^1$

素因数の和:886

約数の個数: 16

約数和(自身を含む): 31872960

約数和(自身を除く): 3581749

約数列:

[1, 13, 29, 101, 377, 743, 1313, 2929, 9659, 21547, 38077, 75043, 280111, 975559, 2176247, 28291211]

約数ペア:

[(1, 28291211), (13, 2176247), (29, 975559), (101, 280111), (377, 75043), (743, 38077), (1313, 21547), (2929, 9659)]