25386985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 34771968

約数和(自身を除く): 9384983

約数列:

[1, 5, 13, 31, 43, 65, 155, 215, 293, 403, 559, 1333, 1465, 2015, 2795, 3809, 6665, 9083, 12599, 17329, 19045, 45415, 62995, 86645, 118079, 163787, 390569, 590395, 818935, 1952845, 5077397, 25386985]

約数ペア:

[(1, 25386985), (5, 5077397), (13, 1952845), (31, 818935), (43, 590395), (65, 390569), (155, 163787), (215, 118079), (293, 86645), (403, 62995), (559, 45415), (1333, 19045), (1465, 17329), (2015, 12599), (2795, 9083), (3809, 6665)]