28003535

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 13053745

約数列:

[1, 5, 7, 23, 35, 43, 115, 161, 215, 301, 805, 809, 989, 1505, 4045, 4945, 5663, 6923, 18607, 28315, 34615, 34787, 93035, 130249, 173935, 243509, 651245, 800101, 1217545, 4000505, 5600707, 28003535]

約数ペア:

[(1, 28003535), (5, 5600707), (7, 4000505), (23, 1217545), (35, 800101), (43, 651245), (115, 243509), (161, 173935), (215, 130249), (301, 93035), (805, 34787), (809, 34615), (989, 28315), (1505, 18607), (4045, 6923), (4945, 5663)]