128040416

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18439}}^1$

素因数の和:18487

約数の個数: 48

約数和(自身を含む): 297400320

約数和(自身を除く): 169359904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 3472, 6944, 18439, 36878, 73756, 129073, 147512, 258146, 295024, 516292, 571609, 590048, 1032584, 1143218, 2065168, 2286436, 4001263, 4130336, 4572872, 8002526, 9145744, 16005052, 18291488, 32010104, 64020208, 128040416]

約数ペア:

[(1, 128040416), (2, 64020208), (4, 32010104), (7, 18291488), (8, 16005052), (14, 9145744), (16, 8002526), (28, 4572872), (31, 4130336), (32, 4001263), (56, 2286436), (62, 2065168), (112, 1143218), (124, 1032584), (217, 590048), (224, 571609), (248, 516292), (434, 295024), (496, 258146), (868, 147512), (992, 129073), (1736, 73756), (3472, 36878), (6944, 18439)]