4280945

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:496

約数の個数: 16

約数和(自身を含む): 5391360

約数和(自身を除く): 1110415

約数列:

[1, 5, 31, 71, 155, 355, 389, 1945, 2201, 11005, 12059, 27619, 60295, 138095, 856189, 4280945]

約数ペア:

[(1, 4280945), (5, 856189), (31, 138095), (71, 60295), (155, 27619), (355, 12059), (389, 11005), (1945, 2201)]