128416336

素因数分解:

$2^4\times {\mathrm{2003}}^1\times {\mathrm{4007}}^1$

素因数の和:6018

約数の個数: 20

約数和(自身を含む): 248992992

約数和(自身を除く): 120576656

約数列:

[1, 2, 4, 8, 16, 2003, 4006, 4007, 8012, 8014, 16024, 16028, 32048, 32056, 64112, 8026021, 16052042, 32104084, 64208168, 128416336]

約数ペア:

[(1, 128416336), (2, 64208168), (4, 32104084), (8, 16052042), (16, 8026021), (2003, 64112), (4006, 32056), (4007, 32048), (8012, 16028), (8014, 16024)]