1978928

素因数分解:

$2^4\times 7^1\times {\mathrm{17669}}^1$

素因数の和:17684

約数の個数: 20

約数和(自身を含む): 4382160

約数和(自身を除く): 2403232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 17669, 35338, 70676, 123683, 141352, 247366, 282704, 494732, 989464, 1978928]

約数ペア:

[(1, 1978928), (2, 989464), (4, 494732), (7, 282704), (8, 247366), (14, 141352), (16, 123683), (28, 70676), (56, 35338), (112, 17669)]