217391256

素因数分解:

$2^3\times 3^3\times {\mathrm{1006441}}^1$

素因数の和:1006456

約数の個数: 32

約数和(自身を含む): 603865200

約数和(自身を除く): 386473944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 1006441, 2012882, 3019323, 4025764, 6038646, 8051528, 9057969, 12077292, 18115938, 24154584, 27173907, 36231876, 54347814, 72463752, 108695628, 217391256]

約数ペア:

[(1, 217391256), (2, 108695628), (3, 72463752), (4, 54347814), (6, 36231876), (8, 27173907), (9, 24154584), (12, 18115938), (18, 12077292), (24, 9057969), (27, 8051528), (36, 6038646), (54, 4025764), (72, 3019323), (108, 2012882), (216, 1006441)]