638330944

素因数分解:

$2^6\times {\mathrm{9973921}}^1$

素因数の和:9973933

約数の個数: 14

約数和(自身を含む): 1266688094

約数和(自身を除く): 628357150

約数列:

[1, 2, 4, 8, 16, 32, 64, 9973921, 19947842, 39895684, 79791368, 159582736, 319165472, 638330944]

約数ペア:

[(1, 638330944), (2, 319165472), (4, 159582736), (8, 79791368), (16, 39895684), (32, 19947842), (64, 9973921)]