388740963

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{2269}}^1$

素因数の和:2499

約数の個数: 32

約数和(自身を含む): 585768960

約数和(自身を除く): 197027997

約数列:

[1, 3, 13, 23, 39, 69, 191, 299, 573, 897, 2269, 2483, 4393, 6807, 7449, 13179, 29497, 52187, 57109, 88491, 156561, 171327, 433379, 678431, 1300137, 2035293, 5633927, 9967717, 16901781, 29903151, 129580321, 388740963]

約数ペア:

[(1, 388740963), (3, 129580321), (13, 29903151), (23, 16901781), (39, 9967717), (69, 5633927), (191, 2035293), (299, 1300137), (573, 678431), (897, 433379), (2269, 171327), (2483, 156561), (4393, 88491), (6807, 57109), (7449, 52187), (13179, 29497)]