397409992

素因数分解:

$2^3\times 7^2\times {\mathrm{383}}^1\times {\mathrm{2647}}^1$

素因数の和:3050

約数の個数: 48

約数和(自身を含む): 869391360

約数和(自身を除く): 471981368

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 383, 392, 766, 1532, 2647, 2681, 3064, 5294, 5362, 10588, 10724, 18529, 18767, 21176, 21448, 37058, 37534, 74116, 75068, 129703, 148232, 150136, 259406, 518812, 1013801, 1037624, 2027602, 4055204, 7096607, 8110408, 14193214, 28386428, 49676249, 56772856, 99352498, 198704996, 397409992]

約数ペア:

[(1, 397409992), (2, 198704996), (4, 99352498), (7, 56772856), (8, 49676249), (14, 28386428), (28, 14193214), (49, 8110408), (56, 7096607), (98, 4055204), (196, 2027602), (383, 1037624), (392, 1013801), (766, 518812), (1532, 259406), (2647, 150136), (2681, 148232), (3064, 129703), (5294, 75068), (5362, 74116), (10588, 37534), (10724, 37058), (18529, 21448), (18767, 21176)]