39870805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 54448128

約数和(自身を除く): 14577323

約数列:

[1, 5, 13, 31, 47, 65, 155, 235, 403, 421, 611, 1457, 2015, 2105, 3055, 5473, 7285, 13051, 18941, 19787, 27365, 65255, 94705, 98935, 169663, 257231, 613397, 848315, 1286155, 3066985, 7974161, 39870805]

約数ペア:

[(1, 39870805), (5, 7974161), (13, 3066985), (31, 1286155), (47, 848315), (65, 613397), (155, 257231), (235, 169663), (403, 98935), (421, 94705), (611, 65255), (1457, 27365), (2015, 19787), (2105, 18941), (3055, 13051), (5473, 7285)]