128967314

素因数分解:

$2^1\times 7^4\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:388

約数の個数: 40

約数和(自身を含む): 228696048

約数和(自身を除く): 99728734

約数列:

[1, 2, 7, 14, 49, 98, 107, 214, 251, 343, 502, 686, 749, 1498, 1757, 2401, 3514, 4802, 5243, 10486, 12299, 24598, 26857, 36701, 53714, 73402, 86093, 172186, 187999, 256907, 375998, 513814, 602651, 1205302, 1315993, 2631986, 9211951, 18423902, 64483657, 128967314]

約数ペア:

[(1, 128967314), (2, 64483657), (7, 18423902), (14, 9211951), (49, 2631986), (98, 1315993), (107, 1205302), (214, 602651), (251, 513814), (343, 375998), (502, 256907), (686, 187999), (749, 172186), (1498, 86093), (1757, 73402), (2401, 53714), (3514, 36701), (4802, 26857), (5243, 24598), (10486, 12299)]