878560004

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{104243}}^1$

素因数の和:104304

約数の個数: 36

約数和(自身を含む): 1830107664

約数和(自身を除く): 951547660

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 602, 1204, 2107, 4214, 8428, 104243, 208486, 416972, 729701, 1459402, 2918804, 4482449, 5107907, 8964898, 10215814, 17929796, 20431628, 31377143, 62754286, 125508572, 219640001, 439280002, 878560004]

約数ペア:

[(1, 878560004), (2, 439280002), (4, 219640001), (7, 125508572), (14, 62754286), (28, 31377143), (43, 20431628), (49, 17929796), (86, 10215814), (98, 8964898), (172, 5107907), (196, 4482449), (301, 2918804), (602, 1459402), (1204, 729701), (2107, 416972), (4214, 208486), (8428, 104243)]