28912325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5233}}^1$

素因数の和:5273

約数の個数: 24

約数和(自身を含む): 40888008

約数和(自身を除く): 11975683

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5233, 5525, 26165, 68029, 88961, 130825, 340145, 444805, 1156493, 1700725, 2224025, 5782465, 28912325]

約数ペア:

[(1, 28912325), (5, 5782465), (13, 2224025), (17, 1700725), (25, 1156493), (65, 444805), (85, 340145), (221, 130825), (325, 88961), (425, 68029), (1105, 26165), (5233, 5525)]