28217609

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{607}}^1$

素因数の和:872

約数の個数: 16

約数和(自身を含む): 33561600

約数和(自身を除く): 5343991

約数列:

[1, 7, 29, 203, 229, 607, 1603, 4249, 6641, 17603, 46487, 123221, 139003, 973021, 4031087, 28217609]

約数ペア:

[(1, 28217609), (7, 4031087), (29, 973021), (203, 139003), (229, 123221), (607, 46487), (1603, 17603), (4249, 6641)]