28808585

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 37911744

約数和(自身を除く): 9103159

約数列:

[1, 5, 13, 65, 103, 169, 331, 515, 845, 1339, 1655, 4303, 6695, 17407, 21515, 34093, 55939, 87035, 170465, 279695, 443209, 2216045, 5761717, 28808585]

約数ペア:

[(1, 28808585), (5, 5761717), (13, 2216045), (65, 443209), (103, 279695), (169, 170465), (331, 87035), (515, 55939), (845, 34093), (1339, 21515), (1655, 17407), (4303, 6695)]