247312513

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{4729}}^1$

素因数の和:5008

約数の個数: 16

約数和(自身を含む): 293032960

約数和(自身を除く): 45720447

約数列:

[1, 7, 31, 217, 241, 1687, 4729, 7471, 33103, 52297, 146599, 1026193, 1139689, 7977823, 35330359, 247312513]

約数ペア:

[(1, 247312513), (7, 35330359), (31, 7977823), (217, 1139689), (241, 1026193), (1687, 146599), (4729, 52297), (7471, 33103)]