394809968

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{185531}}^1$

素因数の和:185565

約数の個数: 40

約数和(自身を含む): 920238720

約数和(自身を除く): 525428752

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 185531, 371062, 742124, 1298717, 1484248, 2597434, 2968496, 3525089, 5194868, 7050178, 10389736, 14100356, 20779472, 24675623, 28200712, 49351246, 56401424, 98702492, 197404984, 394809968]

約数ペア:

[(1, 394809968), (2, 197404984), (4, 98702492), (7, 56401424), (8, 49351246), (14, 28200712), (16, 24675623), (19, 20779472), (28, 14100356), (38, 10389736), (56, 7050178), (76, 5194868), (112, 3525089), (133, 2968496), (152, 2597434), (266, 1484248), (304, 1298717), (532, 742124), (1064, 371062), (2128, 185531)]