889497616

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{417997}}^1$

素因数の和:418031

約数の個数: 40

約数和(自身を含む): 2073270080

約数和(自身を除く): 1183772464

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 417997, 835994, 1671988, 2925979, 3343976, 5851958, 6687952, 7941943, 11703916, 15883886, 23407832, 31767772, 46815664, 55593601, 63535544, 111187202, 127071088, 222374404, 444748808, 889497616]

約数ペア:

[(1, 889497616), (2, 444748808), (4, 222374404), (7, 127071088), (8, 111187202), (14, 63535544), (16, 55593601), (19, 46815664), (28, 31767772), (38, 23407832), (56, 15883886), (76, 11703916), (112, 7941943), (133, 6687952), (152, 5851958), (266, 3343976), (304, 2925979), (532, 1671988), (1064, 835994), (2128, 417997)]