399348548

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{1277}}^1\times {\mathrm{2113}}^1$

素因数の和:3431

約数の個数: 24

約数和(自身を含む): 718650072

約数和(自身を除く): 319301524

約数列:

[1, 2, 4, 37, 74, 148, 1277, 2113, 2554, 4226, 5108, 8452, 47249, 78181, 94498, 156362, 188996, 312724, 2698301, 5396602, 10793204, 99837137, 199674274, 399348548]

約数ペア:

[(1, 399348548), (2, 199674274), (4, 99837137), (37, 10793204), (74, 5396602), (148, 2698301), (1277, 312724), (2113, 188996), (2554, 156362), (4226, 94498), (5108, 78181), (8452, 47249)]