388374916

素因数分解:

$2^2\times {\mathrm{401}}^1\times {\mathrm{242129}}^1$

素因数の和:242534

約数の個数: 12

約数和(自身を含む): 681353820

約数和(自身を除く): 292978904

約数列:

[1, 2, 4, 401, 802, 1604, 242129, 484258, 968516, 97093729, 194187458, 388374916]

約数ペア:

[(1, 388374916), (2, 194187458), (4, 97093729), (401, 968516), (802, 484258), (1604, 242129)]