666112

素因数分解:

$2^9\times {\mathrm{1301}}^1$

素因数の和:1319

約数の個数: 20

約数和(自身を含む): 1331946

約数和(自身を除く): 665834

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1301, 2602, 5204, 10408, 20816, 41632, 83264, 166528, 333056, 666112]

約数ペア:

[(1, 666112), (2, 333056), (4, 166528), (8, 83264), (16, 41632), (32, 20816), (64, 10408), (128, 5204), (256, 2602), (512, 1301)]