289889152

素因数分解:

$2^7\times 7^1\times {\mathrm{323537}}^1$

素因数の和:323558

約数の個数: 32

約数和(自身を含む): 660017520

約数和(自身を除く): 370128368

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 323537, 647074, 1294148, 2264759, 2588296, 4529518, 5176592, 9059036, 10353184, 18118072, 20706368, 36236144, 41412736, 72472288, 144944576, 289889152]

約数ペア:

[(1, 289889152), (2, 144944576), (4, 72472288), (7, 41412736), (8, 36236144), (14, 20706368), (16, 18118072), (28, 10353184), (32, 9059036), (56, 5176592), (64, 4529518), (112, 2588296), (128, 2264759), (224, 1294148), (448, 647074), (896, 323537)]