28811755

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{5113}}^1$

素因数の和:5155

約数の個数: 24

約数和(自身を含む): 41975712

約数和(自身を除く): 13163957

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 805, 1127, 5113, 5635, 25565, 35791, 117599, 178955, 250537, 587995, 823193, 1252685, 4115965, 5762351, 28811755]

約数ペア:

[(1, 28811755), (5, 5762351), (7, 4115965), (23, 1252685), (35, 823193), (49, 587995), (115, 250537), (161, 178955), (245, 117599), (805, 35791), (1127, 25565), (5113, 5635)]