198809768

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{653}}^1\times {\mathrm{2003}}^1$

素因数の和:2681

約数の個数: 32

約数和(自身を含む): 393184800

約数和(自身を除く): 194375032

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 653, 1306, 2003, 2612, 4006, 5224, 8012, 12407, 16024, 24814, 38057, 49628, 76114, 99256, 152228, 304456, 1307959, 2615918, 5231836, 10463672, 24851221, 49702442, 99404884, 198809768]

約数ペア:

[(1, 198809768), (2, 99404884), (4, 49702442), (8, 24851221), (19, 10463672), (38, 5231836), (76, 2615918), (152, 1307959), (653, 304456), (1306, 152228), (2003, 99256), (2612, 76114), (4006, 49628), (5224, 38057), (8012, 24814), (12407, 16024)]