28136717

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{3529}}^1$

素因数の和:3620

約数の個数: 16

約数和(自身を含む): 34565760

約数和(自身を除く): 6429043

約数列:

[1, 7, 17, 67, 119, 469, 1139, 3529, 7973, 24703, 59993, 236443, 419951, 1655101, 4019531, 28136717]

約数ペア:

[(1, 28136717), (7, 4019531), (17, 1655101), (67, 419951), (119, 236443), (469, 59993), (1139, 24703), (3529, 7973)]