16405712

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{2557}}^1$

素因数の和:2966

約数の個数: 20

約数和(自身を含む): 31877796

約数和(自身を除く): 15472084

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 2557, 3208, 5114, 6416, 10228, 20456, 40912, 1025357, 2050714, 4101428, 8202856, 16405712]

約数ペア:

[(1, 16405712), (2, 8202856), (4, 4101428), (8, 2050714), (16, 1025357), (401, 40912), (802, 20456), (1604, 10228), (2557, 6416), (3208, 5114)]