3978736

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{1789}}^1$

素因数の和:1936

約数の個数: 20

約数和(自身を含む): 7768600

約数和(自身を除く): 3789864

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 1789, 2224, 3578, 7156, 14312, 28624, 248671, 497342, 994684, 1989368, 3978736]

約数ペア:

[(1, 3978736), (2, 1989368), (4, 994684), (8, 497342), (16, 248671), (139, 28624), (278, 14312), (556, 7156), (1112, 3578), (1789, 2224)]