217428176

素因数分解:

$2^4\times 7^1\times {\mathrm{1941323}}^1$

素因数の和:1941338

約数の個数: 20

約数和(自身を含む): 481448352

約数和(自身を除く): 264020176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1941323, 3882646, 7765292, 13589261, 15530584, 27178522, 31061168, 54357044, 108714088, 217428176]

約数ペア:

[(1, 217428176), (2, 108714088), (4, 54357044), (7, 31061168), (8, 27178522), (14, 15530584), (16, 13589261), (28, 7765292), (56, 3882646), (112, 1941323)]