318996892

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{431}}^1\times {\mathrm{4513}}^1$

素因数の和:4989

約数の個数: 24

約数和(自身を含む): 573314112

約数和(自身を除く): 254317220

約数列:

[1, 2, 4, 41, 82, 164, 431, 862, 1724, 4513, 9026, 17671, 18052, 35342, 70684, 185033, 370066, 740132, 1945103, 3890206, 7780412, 79749223, 159498446, 318996892]

約数ペア:

[(1, 318996892), (2, 159498446), (4, 79749223), (41, 7780412), (82, 3890206), (164, 1945103), (431, 740132), (862, 370066), (1724, 185033), (4513, 70684), (9026, 35342), (17671, 18052)]