28418285

素因数分解:

$5^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{601}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 39941496

約数和(自身を除く): 11523211

約数列:

[1, 5, 7, 35, 49, 193, 245, 601, 965, 1351, 3005, 4207, 6755, 9457, 21035, 29449, 47285, 115993, 147245, 579965, 811951, 4059755, 5683657, 28418285]

約数ペア:

[(1, 28418285), (5, 5683657), (7, 4059755), (35, 811951), (49, 579965), (193, 147245), (245, 115993), (601, 47285), (965, 29449), (1351, 21035), (3005, 9457), (4207, 6755)]