64020208

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18439}}^1$

素因数の和:18485

約数の個数: 40

約数和(自身を含む): 146339840

約数和(自身を除く): 82319632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 18439, 36878, 73756, 129073, 147512, 258146, 295024, 516292, 571609, 1032584, 1143218, 2065168, 2286436, 4001263, 4572872, 8002526, 9145744, 16005052, 32010104, 64020208]

約数ペア:

[(1, 64020208), (2, 32010104), (4, 16005052), (7, 9145744), (8, 8002526), (14, 4572872), (16, 4001263), (28, 2286436), (31, 2065168), (56, 1143218), (62, 1032584), (112, 571609), (124, 516292), (217, 295024), (248, 258146), (434, 147512), (496, 129073), (868, 73756), (1736, 36878), (3472, 18439)]