4978239

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 8025600

約数和(自身を除く): 3047361

約数列:

[1, 3, 7, 21, 37, 43, 111, 129, 149, 259, 301, 447, 777, 903, 1043, 1591, 3129, 4773, 5513, 6407, 11137, 16539, 19221, 33411, 38591, 44849, 115773, 134547, 237059, 711177, 1659413, 4978239]

約数ペア:

[(1, 4978239), (3, 1659413), (7, 711177), (21, 237059), (37, 134547), (43, 115773), (111, 44849), (129, 38591), (149, 33411), (259, 19221), (301, 16539), (447, 11137), (777, 6407), (903, 5513), (1043, 4773), (1591, 3129)]